Github user imatiach-msft commented on a diff in the pull request:
https://github.com/apache/spark/pull/16699#discussion_r98490824
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
---
@@ -336,14 +361,19 @@ class GeneralizedLinearRegression @Since("2.0.0")
(@Since("2.0.0") override val
}
val w = if (!isDefined(weightCol) || $(weightCol).isEmpty) lit(1.0)
else col($(weightCol))
- val instances: RDD[Instance] =
- dataset.select(col($(labelCol)), w, col($(featuresCol))).rdd.map {
- case Row(label: Double, weight: Double, features: Vector) =>
- Instance(label, weight, features)
- }
+ val off = if (!isDefined(offsetCol) || $(offsetCol).isEmpty) {
--- End diff --
maybe rename off to offset? also it looks like the spacing below needs to
be fixed (extra indentation).
+ val off = if (!isDefined(offsetCol) || $(offsetCol).isEmpty) {
+ lit(0.0)
+ } else {
+ col($(offsetCol)).cast(DoubleType)
+ }
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