Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/13557#discussion_r85192407
--- Diff: python/pyspark/ml/clustering.py ---
@@ -201,7 +202,74 @@ def computeCost(self, dataset):
"""
return self._call_java("computeCost", dataset)
+ @since("2.1.0")
+ def hasSummary(self):
+ """
+ Return true if there exists summary of model.
+ """
+ return self.summary is not None
--- End diff --
Could you please add a unit test (not a doc test) to make sure this works
for both cases, with and without a summary? It looks like it will throw an
error if there is no summary.
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