Hi Jacek, This is due to ColumnPruner is only used for RFormula currently, we did not expose it as a feature transformer. Please feel free to create JIRA and work on it.
Thanks Yanbo 2016-03-25 8:50 GMT-07:00 Jacek Laskowski <ja...@japila.pl>: > Hi, > > Came across `private class ColumnPruner` with "TODO(ekl) make this a > public transformer" in scaladoc, cf. > > https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/feature/RFormula.scala#L317 > . > > Why is this private and is there a JIRA for the TODO(ekl)? > > Pozdrawiam, > Jacek Laskowski > ---- > https://medium.com/@jaceklaskowski/ > Mastering Apache Spark http://bit.ly/mastering-apache-spark > Follow me at https://twitter.com/jaceklaskowski > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org > For additional commands, e-mail: dev-h...@spark.apache.org > >
