[jira] [Commented] (FLINK-8903) Error calculation based on rolling window in table API and SQL API

2018-03-15 Thread Fabian Hueske (JIRA)
[ https://issues.apache.org/jira/browse/FLINK-8903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16400654#comment-16400654 ] Fabian Hueske commented on FLINK-8903: -- Hi [~lilizhao], Sorry for being too eager when closing the

[jira] [Commented] (FLINK-8903) Error calculation based on rolling window in table API and SQL API

2018-03-12 Thread lilizhao (JIRA)
[ https://issues.apache.org/jira/browse/FLINK-8903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16395009#comment-16395009 ] lilizhao commented on FLINK-8903: - [~fhueske]  A new example: SQL = "SELECT VAR_POP (CCNT), COLLECT

[jira] [Commented] (FLINK-8903) Error calculation based on rolling window in table API and SQL API

2018-03-12 Thread lilizhao (JIRA)
[ https://issues.apache.org/jira/browse/FLINK-8903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16394991#comment-16394991 ] lilizhao commented on FLINK-8903: - Hi, [~fhueske] In my appendix example, the sum of the calculations, the

[jira] [Commented] (FLINK-8903) Error calculation based on rolling window in table API and SQL API

2018-03-12 Thread lilizhao (JIRA)
[ https://issues.apache.org/jira/browse/FLINK-8903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16394986#comment-16394986 ] lilizhao commented on FLINK-8903: - [~fhueske] But why the calculated variance is the same as that of the