Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/5647#discussion_r29283073
--- Diff: python/pyspark/mllib/clustering.py ---
@@ -95,6 +106,13 @@ def predict(self, x):
best_distance = distance
return best
+ def computeCost(self, rdd):
+ """Return the K-means cost (sum of squared distances of points to
their nearest center) for this
--- End diff --
python style (newline for long doc strings + shorter doc lines <= 72 chars
in length following PEP 8):
```
"""
Return the K-means cost (sum of squared distances of points to their
nearest center) for this model on the given data.
"""
```
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