Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/8675#discussion_r39671186
--- Diff: mllib/src/main/scala/org/apache/spark/ml/Predictor.scala ---
@@ -145,6 +145,10 @@ abstract class PredictionModel[FeaturesType, M <:
PredictionModel[FeaturesType,
/** @group setParam */
def setPredictionCol(value: String): M = set(predictionCol,
value).asInstanceOf[M]
+ /** Returns the number of features the model was trained on. Default: -1
*/
+ @Since("1.5.1")
--- End diff --
Well, we're adding those incrementally, so you're right to go ahead and add
it. The version should be the next release 1.6.0 (not the little patch
releases).
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