GitHub user zhengruifeng opened a pull request: https://github.com/apache/spark/pull/17951
[SPARK-20711][ML] Fix incorrect min/max for identical NaN feature in MultivariateOnlineSummarizer ## What changes were proposed in this pull request? return `Double.NaN` min/max for features only conatining `Double.NaN` ## How was this patch tested? added tests You can merge this pull request into a Git repository by running: $ git pull https://github.com/zhengruifeng/spark min_max_nan Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/17951.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #17951 ---- commit 56d88c7209a0755937de88948dae2d97233f0e2a Author: Zheng RuiFeng <ruife...@foxmail.com> Date: 2017-05-11T10:07:37Z create pr ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org