Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/6088#discussion_r30377490
--- Diff: python/pyspark/ml/tuning.py ---
@@ -240,8 +257,19 @@ def __init__(self, bestModel):
#: best model from cross validation
self.bestModel = bestModel
- def transform(self, dataset, params={}):
- return self.bestModel.transform(dataset, params)
+ def _transform(self, dataset):
+ return self.bestModel.transform(dataset)
+
+ def copy(self, extra={}):
+ """
+ Creates a copy of this instance with a randomly generated uid
--- End diff --
not random
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