Github user MechCoder commented on a diff in the pull request:
https://github.com/apache/spark/pull/7879#discussion_r36061461
--- Diff: python/pyspark/ml/feature.py ---
@@ -1110,6 +1110,80 @@ class PCAModel(JavaModel):
"""
+@inherit_doc
+class RFormula(JavaEstimator, HasFeaturesCol, HasLabelCol):
+ """
+ .. note:: Experimental
+
+ Implements the transforms required for fitting a dataset against an
+ R model formula. Currently we support a limited subset of the R
+ operators, including '~', '+', '-', and '.'. Also see the R formula
--- End diff --
Would it be nice to have an example about the dot operator? I could not
find one in the RFormulaSuite as well.
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