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From t.@apache.org
Subject [53/82] [math] Update for next development iteration: commons-math4
Date Mon, 16 Feb 2015 22:40:23 GMT
http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SecondMomentTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SecondMomentTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SecondMomentTest.java
index 3e4b722..e42b2a0 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SecondMomentTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SecondMomentTest.java
@@ -14,10 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.moment.SecondMoment;
 
 /**
  * Test cases for the {@link SecondMoment} class.
@@ -28,7 +29,7 @@ public class SecondMomentTest extends StorelessUnivariateStatisticAbstractTest {
     protected SecondMoment stat;
 
     /**
-     * @see org.apache.commons.math3.stat.descriptive.UnivariateStatisticAbstractTest#getUnivariateStatistic()
+     * @see org.apache.commons.math4.stat.descriptive.UnivariateStatisticAbstractTest#getUnivariateStatistic()
      */
     @Override
     public UnivariateStatistic getUnivariateStatistic() {
@@ -36,7 +37,7 @@ public class SecondMomentTest extends StorelessUnivariateStatisticAbstractTest {
     }
 
     /**
-     * @see org.apache.commons.math3.stat.descriptive.UnivariateStatisticAbstractTest#expectedValue()
+     * @see org.apache.commons.math4.stat.descriptive.UnivariateStatisticAbstractTest#expectedValue()
      */
     @Override
     public double expectedValue() {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SemiVarianceTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SemiVarianceTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SemiVarianceTest.java
index 96f88f3..e9dc85a 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SemiVarianceTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SemiVarianceTest.java
@@ -15,11 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.stat.StatUtils;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.stat.StatUtils;
+import org.apache.commons.math4.stat.descriptive.moment.SemiVariance;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SkewnessTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SkewnessTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SkewnessTest.java
index b082783..099607f 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SkewnessTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/SkewnessTest.java
@@ -14,10 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.moment.Skewness;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviationTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviationTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviationTest.java
index 44019d8..f695fc6 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviationTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/StandardDeviationTest.java
@@ -14,11 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.moment.Mean;
+import org.apache.commons.math4.stat.descriptive.moment.SecondMoment;
+import org.apache.commons.math4.stat.descriptive.moment.StandardDeviation;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMomentTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMomentTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMomentTest.java
index 0c1f6f8..098dcfc 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMomentTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/ThirdMomentTest.java
@@ -14,10 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.moment.ThirdMoment;
 
 /**
  * Test cases for the {@link ThirdMoment} class.
@@ -28,7 +29,7 @@ public class ThirdMomentTest extends StorelessUnivariateStatisticAbstractTest{
     protected ThirdMoment stat;
 
     /**
-     * @see org.apache.commons.math3.stat.descriptive.UnivariateStatisticAbstractTest#getUnivariateStatistic()
+     * @see org.apache.commons.math4.stat.descriptive.UnivariateStatisticAbstractTest#getUnivariateStatistic()
      */
     @Override
     public UnivariateStatistic getUnivariateStatistic() {
@@ -36,7 +37,7 @@ public class ThirdMomentTest extends StorelessUnivariateStatisticAbstractTest{
     }
 
     /**
-     * @see org.apache.commons.math3.stat.descriptive.UnivariateStatisticAbstractTest#expectedValue()
+     * @see org.apache.commons.math4.stat.descriptive.UnivariateStatisticAbstractTest#expectedValue()
      */
     @Override
     public double expectedValue() {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VarianceTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VarianceTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VarianceTest.java
index c4bf450..c683f83 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VarianceTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VarianceTest.java
@@ -14,11 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.moment;
+package org.apache.commons.math4.stat.descriptive.moment;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.moment.Mean;
+import org.apache.commons.math4.stat.descriptive.moment.SecondMoment;
+import org.apache.commons.math4.stat.descriptive.moment.StandardDeviation;
+import org.apache.commons.math4.stat.descriptive.moment.Variance;
+import org.apache.commons.math4.util.MathArrays;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovarianceTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovarianceTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovarianceTest.java
index 68f7e6f..3d2bbb6 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovarianceTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialCovarianceTest.java
@@ -15,12 +15,12 @@
 //specific language governing permissions and limitations
 //under the License.
 
-package org.apache.commons.math3.stat.descriptive.moment;
-
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.linear.RealMatrix;
+package org.apache.commons.math4.stat.descriptive.moment;
 
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.stat.descriptive.moment.VectorialCovariance;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMeanTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMeanTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMeanTest.java
index 8a3f479..41d43e7 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMeanTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/moment/VectorialMeanTest.java
@@ -15,11 +15,11 @@
 //specific language governing permissions and limitations
 //under the License.
 
-package org.apache.commons.math3.stat.descriptive.moment;
-
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.TestUtils;
+package org.apache.commons.math4.stat.descriptive.moment;
 
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.stat.descriptive.moment.VectorialMean;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MaxTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MaxTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MaxTest.java
index 83190d7..da80792 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MaxTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MaxTest.java
@@ -14,10 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.rank.Max;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MedianTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MedianTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MedianTest.java
index ef1badf..c4bd114 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MedianTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MedianTest.java
@@ -14,23 +14,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.LEGACY;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_1;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_2;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_3;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_4;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_5;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_6;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_7;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_8;
-import static org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType.R_9;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.LEGACY;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_1;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_2;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_3;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_4;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_5;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_6;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_7;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_8;
+import static org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType.R_9;
 
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType;
-import org.apache.commons.math3.stat.ranking.NaNStrategy;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.rank.Median;
+import org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType;
+import org.apache.commons.math4.stat.ranking.NaNStrategy;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -43,7 +44,7 @@ public class MedianTest extends UnivariateStatisticAbstractTest{
     protected Median stat;
 
     /**
-     * {@link  org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType type}
+     * {@link  org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType type}
      *  to be used while calling
      * {@link #getUnivariateStatistic()}
      */

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MinTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MinTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MinTest.java
index f2db645..296248a 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MinTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/MinTest.java
@@ -14,10 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.rank.Min;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentileTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentileTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentileTest.java
index 8f7295a..78969fb 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentileTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentileTest.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -24,18 +24,20 @@ import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.Set;
 
-import org.apache.commons.math3.distribution.LogNormalDistribution;
-import org.apache.commons.math3.distribution.NormalDistribution;
-import org.apache.commons.math3.distribution.RealDistribution;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.rank.PSquarePercentile.PSquareMarkers;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.distribution.LogNormalDistribution;
+import org.apache.commons.math4.distribution.NormalDistribution;
+import org.apache.commons.math4.distribution.RealDistribution;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.rank.PSquarePercentile;
+import org.apache.commons.math4.stat.descriptive.rank.Percentile;
+import org.apache.commons.math4.stat.descriptive.rank.PSquarePercentile.PSquareMarkers;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PercentileTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PercentileTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PercentileTest.java
index 5381213..3aa055f 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PercentileTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/rank/PercentileTest.java
@@ -14,28 +14,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.rank;
+package org.apache.commons.math4.stat.descriptive.rank;
 
 import java.util.Arrays;
 
-import org.apache.commons.math3.distribution.NormalDistribution;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NotANumberException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.random.JDKRandomGenerator;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well1024a;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType;
-import org.apache.commons.math3.stat.ranking.NaNStrategy;
-import org.apache.commons.math3.util.CentralPivotingStrategy;
-import org.apache.commons.math3.util.KthSelector;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.MedianOf3PivotingStrategy;
-import org.apache.commons.math3.util.PivotingStrategyInterface;
-import org.apache.commons.math3.util.RandomPivotingStrategy;
+import org.apache.commons.math4.distribution.NormalDistribution;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NotANumberException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.JDKRandomGenerator;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well1024a;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.rank.Percentile;
+import org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType;
+import org.apache.commons.math4.stat.ranking.NaNStrategy;
+import org.apache.commons.math4.util.CentralPivotingStrategy;
+import org.apache.commons.math4.util.KthSelector;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MedianOf3PivotingStrategy;
+import org.apache.commons.math4.util.PivotingStrategyInterface;
+import org.apache.commons.math4.util.RandomPivotingStrategy;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -50,7 +51,7 @@ public class PercentileTest extends UnivariateStatisticAbstractTest{
     private double quantile;
 
     /**
-     * {@link org.apache.commons.math3.stat.descriptive.rank.Percentile.EstimationType type}
+     * {@link org.apache.commons.math4.stat.descriptive.rank.Percentile.EstimationType type}
      * of estimation to be used while calling {@link #getUnivariateStatistic()}
      */
     private Percentile.EstimationType type;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/summary/ProductTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/ProductTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/ProductTest.java
index 7dcaa7c..8bd238c 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/ProductTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/ProductTest.java
@@ -14,11 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.summary.Product;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumLogTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumLogTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumLogTest.java
index ad3576a..d7f6495 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumLogTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumLogTest.java
@@ -14,11 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.summary.SumOfLogs;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumSqTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumSqTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumSqTest.java
index b19ca4e..0b722ed 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumSqTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumSqTest.java
@@ -14,11 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.summary.SumOfSquares;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumTest.java b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumTest.java
index 87a3f5e..fa72645 100644
--- a/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/descriptive/summary/SumTest.java
@@ -14,11 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.descriptive.summary;
+package org.apache.commons.math4.stat.descriptive.summary;
 
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
-import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
+import org.apache.commons.math4.stat.descriptive.UnivariateStatistic;
+import org.apache.commons.math4.stat.descriptive.summary.Sum;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/BinomialTestTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/BinomialTestTest.java b/src/test/java/org/apache/commons/math4/stat/inference/BinomialTestTest.java
index 4ec371d..365f21d 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/BinomialTestTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/BinomialTestTest.java
@@ -14,10 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NotPositiveException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.stat.inference.AlternativeHypothesis;
+import org.apache.commons.math4.stat.inference.BinomialTest;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/ChiSquareTestTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/ChiSquareTestTest.java b/src/test/java/org/apache/commons/math4/stat/inference/ChiSquareTestTest.java
index daf1882..2f0117d 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/ChiSquareTestTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/ChiSquareTestTest.java
@@ -14,13 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.ZeroException;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.stat.inference.ChiSquareTest;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -170,8 +171,8 @@ public class ChiSquareTestTest {
         long[] obs = new long[] {
             2372383, 584222, 257170, 17750155, 7903832, 489265, 209628, 393899
         };
-        org.apache.commons.math3.stat.inference.ChiSquareTest csti =
-            new org.apache.commons.math3.stat.inference.ChiSquareTest();
+        org.apache.commons.math4.stat.inference.ChiSquareTest csti =
+            new org.apache.commons.math4.stat.inference.ChiSquareTest();
         double cst = csti.chiSquareTest(exp, obs);
         Assert.assertEquals("chi-square p-value", 0.0, cst, 1E-3);
         Assert.assertEquals( "chi-square test statistic",

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/GTestTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/GTestTest.java b/src/test/java/org/apache/commons/math4/stat/inference/GTestTest.java
index 228f0ce..f1aba28 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/GTestTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/GTestTest.java
@@ -14,14 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
-
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.ZeroException;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.stat.inference;
+
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.stat.inference.GTest;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTestTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTestTest.java b/src/test/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTestTest.java
index 9ac5c7c..e44972d 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTestTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/KolmogorovSmirnovTestTest.java
@@ -15,12 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
-import org.apache.commons.math3.distribution.NormalDistribution;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.distribution.NormalDistribution;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/MannWhitneyUTestTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/MannWhitneyUTestTest.java b/src/test/java/org/apache/commons/math4/stat/inference/MannWhitneyUTestTest.java
index e46f8c5..d8c48e2 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/MannWhitneyUTestTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/MannWhitneyUTestTest.java
@@ -14,10 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.stat.inference.MannWhitneyUTest;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/OneWayAnovaTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/OneWayAnovaTest.java b/src/test/java/org/apache/commons/math4/stat/inference/OneWayAnovaTest.java
index ee64981..3442382 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/OneWayAnovaTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/OneWayAnovaTest.java
@@ -14,13 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.stat.descriptive.SummaryStatistics;
+import org.apache.commons.math4.stat.inference.OneWayAnova;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/TTestTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/TTestTest.java b/src/test/java/org/apache/commons/math4/stat/inference/TTestTest.java
index 8bd38de..8f4357d 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/TTestTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/TTestTest.java
@@ -14,13 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
 
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.stat.descriptive.SummaryStatistics;
+import org.apache.commons.math4.stat.inference.TTest;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/TestUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/TestUtilsTest.java b/src/test/java/org/apache/commons/math4/stat/inference/TestUtilsTest.java
index 69bd58a..5fa151f 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/TestUtilsTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/TestUtilsTest.java
@@ -14,20 +14,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.math3.distribution.NormalDistribution;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.distribution.NormalDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.stat.descriptive.SummaryStatistics;
+import org.apache.commons.math4.stat.inference.OneWayAnova;
+import org.apache.commons.math4.stat.inference.TestUtils;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -174,8 +176,8 @@ public class TestUtilsTest {
         long[] obs = new long[] {
                 2372383, 584222, 257170, 17750155, 7903832, 489265, 209628, 393899
         };
-        org.apache.commons.math3.stat.inference.ChiSquareTest csti =
-            new org.apache.commons.math3.stat.inference.ChiSquareTest();
+        org.apache.commons.math4.stat.inference.ChiSquareTest csti =
+            new org.apache.commons.math4.stat.inference.ChiSquareTest();
         double cst = csti.chiSquareTest(exp, obs);
         Assert.assertEquals("chi-square p-value", 0.0, cst, 1E-3);
         Assert.assertEquals( "chi-square test statistic",

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTestTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTestTest.java b/src/test/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTestTest.java
index 23ad58b..c435fbd 100644
--- a/src/test/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTestTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/inference/WilcoxonSignedRankTestTest.java
@@ -14,12 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.inference;
+package org.apache.commons.math4.stat.inference;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.stat.inference.WilcoxonSignedRankTest;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/interval/AgrestiCoullIntervalTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/interval/AgrestiCoullIntervalTest.java b/src/test/java/org/apache/commons/math4/stat/interval/AgrestiCoullIntervalTest.java
index 2072b0e..ec804d1 100644
--- a/src/test/java/org/apache/commons/math4/stat/interval/AgrestiCoullIntervalTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/interval/AgrestiCoullIntervalTest.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.interval;
+package org.apache.commons.math4.stat.interval;
 
-import org.apache.commons.math3.stat.interval.AgrestiCoullInterval;
-import org.apache.commons.math3.stat.interval.BinomialConfidenceInterval;
-import org.apache.commons.math3.stat.interval.ConfidenceInterval;
+import org.apache.commons.math4.stat.interval.AgrestiCoullInterval;
+import org.apache.commons.math4.stat.interval.BinomialConfidenceInterval;
+import org.apache.commons.math4.stat.interval.ConfidenceInterval;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/interval/BinomialConfidenceIntervalAbstractTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/interval/BinomialConfidenceIntervalAbstractTest.java b/src/test/java/org/apache/commons/math4/stat/interval/BinomialConfidenceIntervalAbstractTest.java
index a346297..621c8ac 100644
--- a/src/test/java/org/apache/commons/math4/stat/interval/BinomialConfidenceIntervalAbstractTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/interval/BinomialConfidenceIntervalAbstractTest.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.interval;
+package org.apache.commons.math4.stat.interval;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.stat.interval.BinomialConfidenceInterval;
-import org.apache.commons.math3.stat.interval.ConfidenceInterval;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.stat.interval.BinomialConfidenceInterval;
+import org.apache.commons.math4.stat.interval.ConfidenceInterval;
 import org.junit.Before;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/interval/ClopperPearsonIntervalTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/interval/ClopperPearsonIntervalTest.java b/src/test/java/org/apache/commons/math4/stat/interval/ClopperPearsonIntervalTest.java
index 2dfe1be..e0bcc5b 100644
--- a/src/test/java/org/apache/commons/math4/stat/interval/ClopperPearsonIntervalTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/interval/ClopperPearsonIntervalTest.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.interval;
+package org.apache.commons.math4.stat.interval;
 
-import org.apache.commons.math3.stat.interval.BinomialConfidenceInterval;
-import org.apache.commons.math3.stat.interval.ClopperPearsonInterval;
-import org.apache.commons.math3.stat.interval.ConfidenceInterval;
+import org.apache.commons.math4.stat.interval.BinomialConfidenceInterval;
+import org.apache.commons.math4.stat.interval.ClopperPearsonInterval;
+import org.apache.commons.math4.stat.interval.ConfidenceInterval;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/interval/IntervalUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/interval/IntervalUtilsTest.java b/src/test/java/org/apache/commons/math4/stat/interval/IntervalUtilsTest.java
index 4f87371..a1715a6 100644
--- a/src/test/java/org/apache/commons/math4/stat/interval/IntervalUtilsTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/interval/IntervalUtilsTest.java
@@ -14,8 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.interval;
+package org.apache.commons.math4.stat.interval;
 
+import org.apache.commons.math4.stat.interval.AgrestiCoullInterval;
+import org.apache.commons.math4.stat.interval.ClopperPearsonInterval;
+import org.apache.commons.math4.stat.interval.ConfidenceInterval;
+import org.apache.commons.math4.stat.interval.IntervalUtils;
+import org.apache.commons.math4.stat.interval.NormalApproximationInterval;
+import org.apache.commons.math4.stat.interval.WilsonScoreInterval;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/interval/NormalApproximationIntervalTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/interval/NormalApproximationIntervalTest.java b/src/test/java/org/apache/commons/math4/stat/interval/NormalApproximationIntervalTest.java
index 2b0384a..269b93c 100644
--- a/src/test/java/org/apache/commons/math4/stat/interval/NormalApproximationIntervalTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/interval/NormalApproximationIntervalTest.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.interval;
+package org.apache.commons.math4.stat.interval;
 
-import org.apache.commons.math3.stat.interval.BinomialConfidenceInterval;
-import org.apache.commons.math3.stat.interval.ConfidenceInterval;
-import org.apache.commons.math3.stat.interval.NormalApproximationInterval;
+import org.apache.commons.math4.stat.interval.BinomialConfidenceInterval;
+import org.apache.commons.math4.stat.interval.ConfidenceInterval;
+import org.apache.commons.math4.stat.interval.NormalApproximationInterval;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/interval/WilsonScoreIntervalTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/interval/WilsonScoreIntervalTest.java b/src/test/java/org/apache/commons/math4/stat/interval/WilsonScoreIntervalTest.java
index af64a54..7ed37cb 100644
--- a/src/test/java/org/apache/commons/math4/stat/interval/WilsonScoreIntervalTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/interval/WilsonScoreIntervalTest.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.interval;
+package org.apache.commons.math4.stat.interval;
 
-import org.apache.commons.math3.stat.interval.BinomialConfidenceInterval;
-import org.apache.commons.math3.stat.interval.ConfidenceInterval;
-import org.apache.commons.math3.stat.interval.WilsonScoreInterval;
+import org.apache.commons.math4.stat.interval.BinomialConfidenceInterval;
+import org.apache.commons.math4.stat.interval.ConfidenceInterval;
+import org.apache.commons.math4.stat.interval.WilsonScoreInterval;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/ranking/NaturalRankingTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/ranking/NaturalRankingTest.java b/src/test/java/org/apache/commons/math4/stat/ranking/NaturalRankingTest.java
index e1ddf06..e713720 100644
--- a/src/test/java/org/apache/commons/math4/stat/ranking/NaturalRankingTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/ranking/NaturalRankingTest.java
@@ -14,14 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.ranking;
+package org.apache.commons.math4.stat.ranking;
 
 import org.junit.Assert;
-
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.exception.NotANumberException;
-import org.apache.commons.math3.random.JDKRandomGenerator;
-import org.apache.commons.math3.random.RandomGenerator;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.exception.NotANumberException;
+import org.apache.commons.math4.random.JDKRandomGenerator;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.stat.ranking.NaNStrategy;
+import org.apache.commons.math4.stat.ranking.NaturalRanking;
+import org.apache.commons.math4.stat.ranking.TiesStrategy;
 import org.junit.Test;
 
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/regression/GLSMultipleLinearRegressionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/regression/GLSMultipleLinearRegressionTest.java b/src/test/java/org/apache/commons/math4/stat/regression/GLSMultipleLinearRegressionTest.java
index 3896487..29dbe07 100644
--- a/src/test/java/org/apache/commons/math4/stat/regression/GLSMultipleLinearRegressionTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/regression/GLSMultipleLinearRegressionTest.java
@@ -14,21 +14,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.regression;
+package org.apache.commons.math4.stat.regression;
 
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.linear.MatrixUtils;
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.linear.RealVector;
-import org.apache.commons.math3.random.CorrelatedRandomVectorGenerator;
-import org.apache.commons.math3.random.JDKRandomGenerator;
-import org.apache.commons.math3.random.GaussianRandomGenerator;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.stat.correlation.Covariance;
-import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.linear.MatrixUtils;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.linear.RealVector;
+import org.apache.commons.math4.random.CorrelatedRandomVectorGenerator;
+import org.apache.commons.math4.random.GaussianRandomGenerator;
+import org.apache.commons.math4.random.JDKRandomGenerator;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.stat.correlation.Covariance;
+import org.apache.commons.math4.stat.descriptive.DescriptiveStatistics;
+import org.apache.commons.math4.stat.regression.GLSMultipleLinearRegression;
+import org.apache.commons.math4.stat.regression.OLSMultipleLinearRegression;
 
 public class GLSMultipleLinearRegressionTest extends MultipleLinearRegressionAbstractTest {
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/regression/MillerUpdatingRegressionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/regression/MillerUpdatingRegressionTest.java b/src/test/java/org/apache/commons/math4/stat/regression/MillerUpdatingRegressionTest.java
index 2ff023c..0034d75 100644
--- a/src/test/java/org/apache/commons/math4/stat/regression/MillerUpdatingRegressionTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/regression/MillerUpdatingRegressionTest.java
@@ -14,12 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.regression;
-
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.stat.correlation.PearsonsCorrelation;
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.stat.regression;
+
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.stat.correlation.PearsonsCorrelation;
+import org.apache.commons.math4.stat.regression.MillerUpdatingRegression;
+import org.apache.commons.math4.stat.regression.OLSMultipleLinearRegression;
+import org.apache.commons.math4.stat.regression.RegressionResults;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/regression/MultipleLinearRegressionAbstractTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/regression/MultipleLinearRegressionAbstractTest.java b/src/test/java/org/apache/commons/math4/stat/regression/MultipleLinearRegressionAbstractTest.java
index ea5fecf..8e05600 100644
--- a/src/test/java/org/apache/commons/math4/stat/regression/MultipleLinearRegressionAbstractTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/regression/MultipleLinearRegressionAbstractTest.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.regression;
-
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.linear.RealVector;
+package org.apache.commons.math4.stat.regression;
 
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.linear.RealVector;
+import org.apache.commons.math4.stat.regression.AbstractMultipleLinearRegression;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/regression/OLSMultipleLinearRegressionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/regression/OLSMultipleLinearRegressionTest.java b/src/test/java/org/apache/commons/math4/stat/regression/OLSMultipleLinearRegressionTest.java
index d719c8b..f5025b0 100644
--- a/src/test/java/org/apache/commons/math4/stat/regression/OLSMultipleLinearRegressionTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/regression/OLSMultipleLinearRegressionTest.java
@@ -14,16 +14,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.regression;
+package org.apache.commons.math4.stat.regression;
 
 
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.linear.Array2DRowRealMatrix;
-import org.apache.commons.math3.linear.DefaultRealMatrixChangingVisitor;
-import org.apache.commons.math3.linear.MatrixUtils;
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.linear.RealVector;
-import org.apache.commons.math3.stat.StatUtils;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.linear.Array2DRowRealMatrix;
+import org.apache.commons.math4.linear.DefaultRealMatrixChangingVisitor;
+import org.apache.commons.math4.linear.MatrixUtils;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.linear.RealVector;
+import org.apache.commons.math4.stat.StatUtils;
+import org.apache.commons.math4.stat.regression.OLSMultipleLinearRegression;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -786,7 +787,7 @@ public class OLSMultipleLinearRegressionTest extends MultipleLinearRegressionAbs
     /**
      * Anything requiring beta calculation should advertise SME.
      */
-    @Test(expected=org.apache.commons.math3.linear.SingularMatrixException.class)
+    @Test(expected=org.apache.commons.math4.linear.SingularMatrixException.class)
     public void testSingularCalculateBeta() {
         OLSMultipleLinearRegression model = new OLSMultipleLinearRegression();
         model.newSampleData(new double[] {1,  2,  3, 1, 2, 3, 1, 2, 3}, 3, 2);

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/stat/regression/SimpleRegressionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/stat/regression/SimpleRegressionTest.java b/src/test/java/org/apache/commons/math4/stat/regression/SimpleRegressionTest.java
index 544e141..087f5bc 100644
--- a/src/test/java/org/apache/commons/math4/stat/regression/SimpleRegressionTest.java
+++ b/src/test/java/org/apache/commons/math4/stat/regression/SimpleRegressionTest.java
@@ -14,14 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.stat.regression;
+package org.apache.commons.math4.stat.regression;
 
 import java.util.Random;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.random.ISAACRandom;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.ISAACRandom;
+import org.apache.commons.math4.stat.regression.ModelSpecificationException;
+import org.apache.commons.math4.stat.regression.RegressionResults;
+import org.apache.commons.math4.stat.regression.SimpleRegression;
+import org.apache.commons.math4.stat.regression.UpdatingMultipleLinearRegression;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/transform/FastCosineTransformerTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/transform/FastCosineTransformerTest.java b/src/test/java/org/apache/commons/math4/transform/FastCosineTransformerTest.java
index c4c4119..44a351a 100644
--- a/src/test/java/org/apache/commons/math4/transform/FastCosineTransformerTest.java
+++ b/src/test/java/org/apache/commons/math4/transform/FastCosineTransformerTest.java
@@ -14,16 +14,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.transform;
+package org.apache.commons.math4.transform;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.analysis.function.Sinc;
-import org.apache.commons.math3.exception.MathIllegalStateException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.function.Sinc;
+import org.apache.commons.math4.exception.MathIllegalStateException;
+import org.apache.commons.math4.transform.DctNormalization;
+import org.apache.commons.math4.transform.FastCosineTransformer;
+import org.apache.commons.math4.transform.RealTransformer;
+import org.apache.commons.math4.transform.TransformType;
+import org.apache.commons.math4.transform.TransformUtils;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/transform/FastFourierTransformerTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/transform/FastFourierTransformerTest.java b/src/test/java/org/apache/commons/math4/transform/FastFourierTransformerTest.java
index af70eed..cb1e682 100644
--- a/src/test/java/org/apache/commons/math4/transform/FastFourierTransformerTest.java
+++ b/src/test/java/org/apache/commons/math4/transform/FastFourierTransformerTest.java
@@ -14,18 +14,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.transform;
+package org.apache.commons.math4.transform;
 
 import java.util.Random;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.analysis.function.Sinc;
-import org.apache.commons.math3.complex.Complex;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.function.Sinc;
+import org.apache.commons.math4.complex.Complex;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.transform.DftNormalization;
+import org.apache.commons.math4.transform.FastFourierTransformer;
+import org.apache.commons.math4.transform.TransformType;
+import org.apache.commons.math4.transform.TransformUtils;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/transform/FastHadamardTransformerTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/transform/FastHadamardTransformerTest.java b/src/test/java/org/apache/commons/math4/transform/FastHadamardTransformerTest.java
index 3d43287..89eeed4 100644
--- a/src/test/java/org/apache/commons/math4/transform/FastHadamardTransformerTest.java
+++ b/src/test/java/org/apache/commons/math4/transform/FastHadamardTransformerTest.java
@@ -14,16 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.transform;
+package org.apache.commons.math4.transform;
 
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.transform.FastHadamardTransformer;
+import org.apache.commons.math4.transform.TransformType;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Test;
 
 
 /**
  * JUnit Test for HadamardTransformerTest
- * @see org.apache.commons.math3.transform.FastHadamardTransformer
+ * @see org.apache.commons.math4.transform.FastHadamardTransformer
  */
 public final class FastHadamardTransformerTest {
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/transform/FastSineTransformerTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/transform/FastSineTransformerTest.java b/src/test/java/org/apache/commons/math4/transform/FastSineTransformerTest.java
index f2a23bd..64b8e8d 100644
--- a/src/test/java/org/apache/commons/math4/transform/FastSineTransformerTest.java
+++ b/src/test/java/org/apache/commons/math4/transform/FastSineTransformerTest.java
@@ -14,17 +14,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.transform;
+package org.apache.commons.math4.transform;
 
 import java.util.Arrays;
 import java.util.Collection;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.analysis.function.Sinc;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MathIllegalStateException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.function.Sinc;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MathIllegalStateException;
+import org.apache.commons.math4.transform.DstNormalization;
+import org.apache.commons.math4.transform.FastSineTransformer;
+import org.apache.commons.math4.transform.RealTransformer;
+import org.apache.commons.math4.transform.TransformType;
+import org.apache.commons.math4.transform.TransformUtils;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/transform/RealTransformerAbstractTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/transform/RealTransformerAbstractTest.java b/src/test/java/org/apache/commons/math4/transform/RealTransformerAbstractTest.java
index 552eda1..1e3bf8c 100644
--- a/src/test/java/org/apache/commons/math4/transform/RealTransformerAbstractTest.java
+++ b/src/test/java/org/apache/commons/math4/transform/RealTransformerAbstractTest.java
@@ -14,15 +14,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.transform;
+package org.apache.commons.math4.transform;
 
 import java.util.Random;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.transform.RealTransformer;
+import org.apache.commons.math4.transform.TransformType;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/ArithmeticUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/ArithmeticUtilsTest.java b/src/test/java/org/apache/commons/math4/util/ArithmeticUtilsTest.java
index ecf0187..74c8564 100644
--- a/src/test/java/org/apache/commons/math4/util/ArithmeticUtilsTest.java
+++ b/src/test/java/org/apache/commons/math4/util/ArithmeticUtilsTest.java
@@ -14,15 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.math.BigInteger;
 
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.random.RandomDataGenerator;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.random.RandomDataGenerator;
+import org.apache.commons.math4.util.ArithmeticUtils;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/BigRealFieldTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/BigRealFieldTest.java b/src/test/java/org/apache/commons/math4/util/BigRealFieldTest.java
index 0f9af0e..01000e4 100644
--- a/src/test/java/org/apache/commons/math4/util/BigRealFieldTest.java
+++ b/src/test/java/org/apache/commons/math4/util/BigRealFieldTest.java
@@ -14,10 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 
-import org.apache.commons.math3.TestUtils;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.util.BigReal;
+import org.apache.commons.math4.util.BigRealField;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/BigRealTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/BigRealTest.java b/src/test/java/org/apache/commons/math4/util/BigRealTest.java
index 0a957f3..b0ac794 100644
--- a/src/test/java/org/apache/commons/math4/util/BigRealTest.java
+++ b/src/test/java/org/apache/commons/math4/util/BigRealTest.java
@@ -14,14 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.math.MathContext;
 
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.exception.MathArithmeticException;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.util.BigReal;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/CombinationsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/CombinationsTest.java b/src/test/java/org/apache/commons/math4/util/CombinationsTest.java
index 99b8e60..83baa89 100644
--- a/src/test/java/org/apache/commons/math4/util/CombinationsTest.java
+++ b/src/test/java/org/apache/commons/math4/util/CombinationsTest.java
@@ -14,13 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 import java.util.Iterator;
 import java.util.Comparator;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
+
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.util.Combinations;
+import org.apache.commons.math4.util.CombinatoricsUtils;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/CombinatoricsUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/CombinatoricsUtilsTest.java b/src/test/java/org/apache/commons/math4/util/CombinatoricsUtilsTest.java
index d5aa34d..0ad8a02 100644
--- a/src/test/java/org/apache/commons/math4/util/CombinatoricsUtilsTest.java
+++ b/src/test/java/org/apache/commons/math4/util/CombinatoricsUtilsTest.java
@@ -14,17 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.util.ArithmeticUtils;
+import org.apache.commons.math4.util.CombinatoricsUtils;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/ContinuedFractionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/ContinuedFractionTest.java b/src/test/java/org/apache/commons/math4/util/ContinuedFractionTest.java
index cff2114..686fb51 100644
--- a/src/test/java/org/apache/commons/math4/util/ContinuedFractionTest.java
+++ b/src/test/java/org/apache/commons/math4/util/ContinuedFractionTest.java
@@ -14,8 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
+import org.apache.commons.math4.util.ContinuedFraction;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/Decimal64Test.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/Decimal64Test.java b/src/test/java/org/apache/commons/math4/util/Decimal64Test.java
index bf96c71..45d5fae 100644
--- a/src/test/java/org/apache/commons/math4/util/Decimal64Test.java
+++ b/src/test/java/org/apache/commons/math4/util/Decimal64Test.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
-import org.apache.commons.math3.ExtendedFieldElementAbstractTest;
+import org.apache.commons.math4.ExtendedFieldElementAbstractTest;
+import org.apache.commons.math4.util.Decimal64;
 import org.junit.Assert;
-
 import org.junit.Test;
 
 public class Decimal64Test extends ExtendedFieldElementAbstractTest<Decimal64> {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/DefaultTransformerTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/DefaultTransformerTest.java b/src/test/java/org/apache/commons/math4/util/DefaultTransformerTest.java
index 1612fbe..826e976 100644
--- a/src/test/java/org/apache/commons/math4/util/DefaultTransformerTest.java
+++ b/src/test/java/org/apache/commons/math4/util/DefaultTransformerTest.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 import java.math.BigDecimal;
 
-
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NullArgumentException;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.DefaultTransformer;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/DoubleArrayAbstractTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/DoubleArrayAbstractTest.java b/src/test/java/org/apache/commons/math4/util/DoubleArrayAbstractTest.java
index f2e94d2..f3c27e0 100644
--- a/src/test/java/org/apache/commons/math4/util/DoubleArrayAbstractTest.java
+++ b/src/test/java/org/apache/commons/math4/util/DoubleArrayAbstractTest.java
@@ -14,9 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
-import org.apache.commons.math3.stat.StatUtils;
+import org.apache.commons.math4.stat.StatUtils;
+import org.apache.commons.math4.util.DoubleArray;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/FastMathStrictComparisonTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/FastMathStrictComparisonTest.java b/src/test/java/org/apache/commons/math4/util/FastMathStrictComparisonTest.java
index 0a4cef5..77a0c7c 100644
--- a/src/test/java/org/apache/commons/math4/util/FastMathStrictComparisonTest.java
+++ b/src/test/java/org/apache/commons/math4/util/FastMathStrictComparisonTest.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -24,7 +24,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import org.apache.commons.math3.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/FastMathTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/FastMathTest.java b/src/test/java/org/apache/commons/math4/util/FastMathTest.java
index f860754..5d36fea 100644
--- a/src/test/java/org/apache/commons/math4/util/FastMathTest.java
+++ b/src/test/java/org/apache/commons/math4/util/FastMathTest.java
@@ -14,21 +14,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.lang.reflect.Type;
 import java.math.BigInteger;
 
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.dfp.Dfp;
-import org.apache.commons.math3.dfp.DfpField;
-import org.apache.commons.math3.dfp.DfpMath;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.random.MersenneTwister;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well1024a;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.dfp.Dfp;
+import org.apache.commons.math4.dfp.DfpField;
+import org.apache.commons.math4.dfp.DfpMath;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.random.MersenneTwister;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well1024a;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Ignore;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/FastMathTestPerformance.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/FastMathTestPerformance.java b/src/test/java/org/apache/commons/math4/util/FastMathTestPerformance.java
index 849e458..eb09f68 100644
--- a/src/test/java/org/apache/commons/math4/util/FastMathTestPerformance.java
+++ b/src/test/java/org/apache/commons/math4/util/FastMathTestPerformance.java
@@ -14,9 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
-import org.apache.commons.math3.PerfTestUtils;
+import org.apache.commons.math4.PerfTestUtils;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.Assert;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/util/IncrementorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/util/IncrementorTest.java b/src/test/java/org/apache/commons/math4/util/IncrementorTest.java
index 0c7d4fb..72cde88 100644
--- a/src/test/java/org/apache/commons/math4/util/IncrementorTest.java
+++ b/src/test/java/org/apache/commons/math4/util/IncrementorTest.java
@@ -11,10 +11,11 @@
  * KIND, either express or implied. See the License for the specific language
  * governing permissions and limitations under the License.
  */
-package org.apache.commons.math3.util;
+package org.apache.commons.math4.util;
 
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.Incrementor;
 import org.junit.Assert;
 import org.junit.Test;
 


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