srowen commented on a change in pull request #26596: [SPARK-29959][ML][PYSPARK]
Summarizer support more metrics
URL: https://github.com/apache/spark/pull/26596#discussion_r352292215
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File path: python/pyspark/ml/stat.py
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@@ -323,12 +339,17 @@ def metrics(*metrics):
The following metrics are accepted (case sensitive):
- mean: a vector that contains the coefficient-wise mean.
+ - sum: a vector that contains the coefficient-wise sum.
- variance: a vector tha contains the coefficient-wise variance.
+ - std: a vector tha contains the coefficient-wise standard deviation.
- count: the count of all vectors seen.
+ - weightSum: the sum of all weights seen.
Review comment:
Is this a supported metric? I don't see it in the scala code above. Same
with other new values below.
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