Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/4704#discussion_r28358773
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/feature/StandardScaler.scala ---
@@ -39,18 +50,27 @@ private[feature] trait StandardScalerParams extends
Params with HasInputCol with
@AlphaComponent
class StandardScaler extends Estimator[StandardScalerModel] with
StandardScalerParams {
+ setDefault(withMean -> false, withStd -> true)
+
/** @group setParam */
def setInputCol(value: String): this.type = set(inputCol, value)
/** @group setParam */
def setOutputCol(value: String): this.type = set(outputCol, value)
-
+
+ /** @group 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
--- End diff --
This should now (after a PR merged yesterday) be:
```
val map = extractParamMap(paramMap)
```
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