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https://issues.apache.org/jira/browse/FLINK-13923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17328307#comment-17328307
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Flink Jira Bot commented on FLINK-13923:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> Add summarizer and summary for table.
> -------------------------------------
>
> Key: FLINK-13923
> URL: https://issues.apache.org/jira/browse/FLINK-13923
> Project: Flink
> Issue Type: Sub-task
> Components: Library / Machine Learning
> Reporter: Xu Yang
> Priority: Major
> Labels: pull-request-available, stale-major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Summarizer is the class for calculating statistics, summary is the result
> class of summarizer. Summary defines methods to get statistics. It can deal
> with missing value and multiple types. TableSummarizer and TableSummary is
> the implement for table. Statistics include count, mean, variance, min, max,
> standardDeviation, normL1, normL2, numMissingValue and numValidValue.
> * Add TableSummarizer which will calculate statistics for table.
> * Add TableSummary which can get statistics of table.
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