Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/16699#discussion_r100919210
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
---
@@ -406,6 +435,14 @@ object GeneralizedLinearRegression extends
DefaultParamsReadable[GeneralizedLine
private[regression] val epsilon: Double = 1E-16
+ /** Checks whether weight column is set and nonempty */
+ private[regression] def isSetWeightCol(params:
GeneralizedLinearRegressionBase): Boolean =
+ params.isSet(params.weightCol) && !params.getWeightCol.isEmpty
+
+ /** Checks whether offset column is set and nonempty */
+ private[regression] def isSetOffsetCol(params:
GeneralizedLinearRegressionBase): Boolean =
+ params.isSet(params.offsetCol) && !params.getOffsetCol.isEmpty
--- End diff --
These should be using `isDefined` instead of `isSet` I believe. Also, I
think using `params.getOffsetCol.nonEmpty` is slightly clearer.
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