[jira] [Commented] (SPARK-6548) stddev_pop and stddev_samp aggregate functions

[ https://issues.apache.org/jira/browse/SPARK-6548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14742203#comment-14742203 ] Reynold Xin commented on SPARK-6548: [~davies] the patch that's merged is not using the new aggregate

[jira] [Commented] (SPARK-6548) stddev_pop and stddev_samp aggregate functions

[ https://issues.apache.org/jira/browse/SPARK-6548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14639914#comment-14639914 ] Yin Huai commented on SPARK-6548: - [~JihongMA] Will you have time to implement stddev

[jira] [Commented] (SPARK-6548) stddev_pop and stddev_samp aggregate functions

[ https://issues.apache.org/jira/browse/SPARK-6548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14639923#comment-14639923 ] Yin Huai commented on SPARK-6548: - A short introduction on how to build aggregate