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https://issues.apache.org/jira/browse/SPARK-20456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-20456:
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Priority: Minor (was: Major)
> Document major aggregation functions for pyspark
> ------------------------------------------------
>
> Key: SPARK-20456
> URL: https://issues.apache.org/jira/browse/SPARK-20456
> Project: Spark
> Issue Type: Documentation
> Components: Documentation
> Affects Versions: 2.1.0
> Reporter: Michael Patterson
> Priority: Minor
>
> Document `sql.functions.py`:
> 1. Document the common aggregate functions (`min`, `max`, `mean`, `count`,
> `collect_set`, `collect_list`, `stddev`, `variance`)
> 2. Rename columns in datetime examples.
> 3. Add examples for `unix_timestamp` and `from_unixtime`
> 4. Add note to all trigonometry functions that units are radians.
> 5. Document `lit`
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