spark git commit: [SPARK-21818][ML][MLLIB] Fix bug of MultivariateOnlineSummarizer.variance generate negative result

2017-08-28 Thread srowen
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.

spark git commit: [SPARK-21818][ML][MLLIB] Fix bug of MultivariateOnlineSummarizer.variance generate negative result

2017-08-28 Thread srowen
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,