Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/10610#discussion_r51214267
--- Diff: python/pyspark/mllib/clustering.py ---
@@ -170,7 +173,43 @@ class KMeans(object):
@since('0.9.0')
def train(cls, rdd, k, maxIterations=100, runs=1,
initializationMode="k-means||",
seed=None, initializationSteps=5, epsilon=1e-4,
initialModel=None):
- """Train a k-means clustering model."""
+ """
+ Train a k-means clustering model.
+
+ :param rdd:
+ Train with a RDD of data points.
--- End diff --
Ditto. It should be described as a noun, and `an RDD`.
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