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| author | Dongjoon Hyun <dongjoon@apache.org> | 2016-06-23 11:07:34 +0100 |
|---|---|---|
| committer | Sean Owen <sowen@cloudera.com> | 2016-06-23 11:07:34 +0100 |
| commit | 5eef1e6c6a8b6202fc6db4a90c4caab5169e86c6 (patch) | |
| tree | 70eff7993a955e5c37aa2fcea4b05693baf9b902 /yarn/src | |
| parent | 4374a46bfc52ee4f3ae9f61ccedc77a62aa9d4ee (diff) | |
| download | spark-5eef1e6c6a8b6202fc6db4a90c4caab5169e86c6.tar.gz spark-5eef1e6c6a8b6202fc6db4a90c4caab5169e86c6.tar.bz2 spark-5eef1e6c6a8b6202fc6db4a90c4caab5169e86c6.zip | |
[SPARK-15660][CORE] Update RDD `variance/stdev` description and add popVariance/popStdev
## What changes were proposed in this pull request?
In Spark-11490, `variance/stdev` are redefined as the **sample** `variance/stdev` instead of population ones. This PR updates the other old documentations to prevent users from misunderstanding. This will update the following Scala/Java API docs.
- http://spark.apache.org/docs/2.0.0-preview/api/scala/index.html#org.apache.spark.api.java.JavaDoubleRDD
- http://spark.apache.org/docs/2.0.0-preview/api/scala/index.html#org.apache.spark.rdd.DoubleRDDFunctions
- http://spark.apache.org/docs/2.0.0-preview/api/scala/index.html#org.apache.spark.util.StatCounter
- http://spark.apache.org/docs/2.0.0-preview/api/java/org/apache/spark/api/java/JavaDoubleRDD.html
- http://spark.apache.org/docs/2.0.0-preview/api/java/org/apache/spark/rdd/DoubleRDDFunctions.html
- http://spark.apache.org/docs/2.0.0-preview/api/java/org/apache/spark/util/StatCounter.html
Also, this PR adds them `popVariance` and `popStdev` functions clearly.
## How was this patch tested?
Pass the updated Jenkins tests.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #13403 from dongjoon-hyun/SPARK-15660.
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