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From yanboliang <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-15339] [ML] ML 2.0 QA: Scala APIs and c...
Date Wed, 18 May 2016 12:22:32 GMT
Github user yanboliang commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13129#discussion_r63692508
  
    --- Diff: mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
---
    @@ -107,7 +107,7 @@ private[regression] trait GeneralizedLinearRegressionBase extends
PredictorParam
             s"with ${$(family)} family does not support ${$(link)} link function.")
         }
         val newSchema = super.validateAndTransformSchema(schema, fitting, featuresDataType)
    -    if ($(linkPredictionCol).nonEmpty) {
    +    if (isDefined(linkPredictionCol) && $(linkPredictionCol).nonEmpty) {
    --- End diff --
    
    Good point, updated. Thanks.


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