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author | Liang-Chi Hsieh <viirya@gmail.com> | 2016-01-13 10:26:55 -0800 |
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committer | Davies Liu <davies.liu@gmail.com> | 2016-01-13 10:26:55 -0800 |
commit | 63eee86cc652c108ca7712c8c0a73db1ca89ae90 (patch) | |
tree | 341aa599d17ca0c723b6ac13d1f57ec512a249c6 /docs | |
parent | d6fd9b376b7071aecef34dc82a33eba42b183bc9 (diff) | |
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[SPARK-9297] [SQL] Add covar_pop and covar_samp
JIRA: https://issues.apache.org/jira/browse/SPARK-9297
Add two aggregation functions: covar_pop and covar_samp.
Author: Liang-Chi Hsieh <viirya@gmail.com>
Author: Liang-Chi Hsieh <viirya@appier.com>
Closes #10029 from viirya/covar-funcs.
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