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https://issues.apache.org/jira/browse/FLINK-13915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Lin closed FLINK-13915.
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Resolution: Won't Do
> Add several base classes of summarizer.
> ---------------------------------------
>
> Key: FLINK-13915
> URL: https://issues.apache.org/jira/browse/FLINK-13915
> Project: Flink
> Issue Type: Sub-task
> Components: Library / Machine Learning
> Reporter: Xu Yang
> Priority: Major
> Labels: pull-request-available
> 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. Statistics
> include count, mean, variance, min, max, standardDeviation, normL1 and normL2.
> * Add BaseSummarizer which is the base class of summarizer.
> * Add BaseSummary which is the base class of summary.
> * Add BaseVectorSummarizer which defined functions to calculate statistics.
> * Add BaseVectorSummary which defined functions to get statistics.
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