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From hhbyyh <...@git.apache.org>
Subject [GitHub] spark pull request #21248: [SPARK-24191][ML]Scala Example code for Power Ite...
Date Sun, 20 May 2018 18:09:48 GMT
Github user hhbyyh commented on a diff in the pull request:

    https://github.com/apache/spark/pull/21248#discussion_r189465979
  
    --- Diff: examples/src/main/scala/org/apache/spark/examples/ml/PowerIterationClusteringExample.scala
---
    @@ -0,0 +1,114 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You under the Apache License, Version 2.0
    + * (the "License"); you may not use this file except in compliance with
    + * the License.  You may obtain a copy of the License at
    + *
    + *    http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +
    +// scalastyle:off println
    +package org.apache.spark.examples.ml
    +
    +import org.apache.log4j.{Level, Logger}
    +
    +// $example on$
    +import org.apache.spark.ml.clustering.PowerIterationClustering
    +// $example off$
    +import org.apache.spark.sql.{DataFrame, Row, SparkSession}
    +
    +
    + /**
    +  * An example demonstrating power iteration clustering.
    +  * Run with
    +  * {{{
    +  * bin/run-example ml.PowerIterationClusteringExample
    +  * }}}
    +  */
    +
    +object PowerIterationClusteringExample {
    +
    +  def main(args: Array[String]): Unit = {
    +    val spark = SparkSession
    +      .builder
    +      .appName(s"${this.getClass.getSimpleName}")
    +      .getOrCreate()
    +
    +    Logger.getRootLogger.setLevel(Level.WARN)
    --- End diff --
    
    This may not be necessary.


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