James Fang created ASTERIXDB-2459:
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Summary: 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
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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