Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20627#discussion_r169116845
--- Diff: python/pyspark/ml/evaluation.py ---
@@ -394,15 +397,30 @@ def getMetricName(self):
@keyword_only
@since("2.3.0")
def setParams(self, predictionCol="prediction", featuresCol="features",
- metricName="silhouette"):
+ metricName="silhouette",
distanceMeasure="squaredEuclidean"):
--- End diff --
I am not expert enough in Python to answer this. A normal python script is
interpreted at runtime, so source code compatibility should be enough, but a
`.pyc` file might have the same issue in theory.
I'd love to hear the answer from someone with more experience on Python.
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