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https://issues.apache.org/jira/browse/ASTERIXDB-2459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Fang closed ASTERIXDB-2459.
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> Adding Postgres statistic aggregates (single variable)
> ------------------------------------------------------
>
> Key: ASTERIXDB-2459
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2459
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: FUN - Functions
> Reporter: James Fang
> Priority: Minor
>
> We are currently missing some of the aggregation functions that exist in
> PostgresSQL and among these are the single variable statistics functions:
> stddev, stddev_pop, variance, variance_pop, skewness and kurtosis.
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