srowen commented on a change in pull request #25671: [SPARK-28968][ML] Add
HasNumFeatures in the scala side
URL: https://github.com/apache/spark/pull/25671#discussion_r320763670
##########
File path:
mllib/src/main/scala/org/apache/spark/ml/param/shared/sharedParams.scala
##########
@@ -274,6 +274,25 @@ trait HasOutputCols extends Params {
final def getOutputCols: Array[String] = $(outputCols)
}
+/**
+ * Trait for shared param numFeatures (default: 1 << 18). This trait may be
changed or
+ * removed between minor versions.
+ */
+@DeveloperApi
+trait HasNumFeatures extends Params {
+
+ /**
+ * Param for number of features..
Review comment:
Can this doc be improved a little?
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