Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/11807#discussion_r56773733
--- Diff: python/pyspark/ml/feature.py ---
@@ -2385,7 +2385,31 @@ class RFormula(JavaEstimator, HasFeaturesCol,
HasLabelCol):
|0.0|0.0| a|[0.0,1.0]| 0.0|
+---+---+---+---------+-----+
...
- >>> rf.fit(df, {rf.formula: "y ~ . - s"}).transform(df).show()
+ >>> model = rf.fit(df, {rf.formula: "y ~ . - s"})
--- End diff --
Oh, sorry, I originally thought this was a new fit() being added, and I
wanted to avoid unnecessary model fitting. I now see it was already there, so
it's fine either way.
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