Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/4704#discussion_r25192362
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/feature/StandardScaler.scala ---
@@ -44,12 +55,18 @@ class StandardScaler extends
Estimator[StandardScalerModel] with StandardScalerP
/** @group setParam */
def setOutputCol(value: String): this.type = set(outputCol, value)
-
+
+ /** @grour setParam */
+ def setWithMean(value: Boolean): this.type = set(withMean, value)
+
+ /** @group setParam */
+ def setWithStd(value: Boolean): this.type = set(withStd, value)
+
override def fit(dataset: DataFrame, paramMap: ParamMap):
StandardScalerModel = {
transformSchema(dataset.schema, paramMap, logging = true)
val map = this.paramMap ++ paramMap
val input = dataset.select(map(inputCol)).map { case Row(v: Vector) =>
v }
- val scaler = new feature.StandardScaler().fit(input)
+ val scaler = new feature.StandardScaler(withMean = map(withMean),
withStd = map(withStd)).fit(input)
--- End diff --
line too wide (over 100 chars). Move `.fit(input)` to the next line.
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