Repository: spark
Updated Branches:
refs/heads/branch-2.2 2b4bd7910 -> 0d4ef2f69
[SPARK-21818][ML][MLLIB] Fix bug of MultivariateOnlineSummarizer.variance
generate negative result
Because of numerical error, MultivariateOnlineSummarizer.variance is possible
to generate negative variance.
**
Repository: spark
Updated Branches:
refs/heads/master 07142cf6d -> 0456b4050
[SPARK-21818][ML][MLLIB] Fix bug of MultivariateOnlineSummarizer.variance
generate negative result
## What changes were proposed in this pull request?
Because of numerical error, MultivariateOnlineSummarizer.varianc