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| author | Nick Lavers <nick.lavers@videoamp.com> | 2016-08-19 10:11:59 +0100 |
|---|---|---|
| committer | Sean Owen <sowen@cloudera.com> | 2016-08-19 10:11:59 +0100 |
| commit | 5377fc62360d5e9b5c94078e41d10a96e0e8a535 (patch) | |
| tree | 1998db20af8d7cc93a2b00308c0f5e8e2b3166a9 /mllib/src | |
| parent | 287bea13050b8eedc3b8b6b3491f1b5e5bc24d7a (diff) | |
| download | spark-5377fc62360d5e9b5c94078e41d10a96e0e8a535.tar.gz spark-5377fc62360d5e9b5c94078e41d10a96e0e8a535.tar.bz2 spark-5377fc62360d5e9b5c94078e41d10a96e0e8a535.zip | |
[SPARK-16961][CORE] Fixed off-by-one error that biased randomizeInPlace
JIRA issue link:
https://issues.apache.org/jira/browse/SPARK-16961
Changed one line of Utils.randomizeInPlace to allow elements to stay in place.
Created a unit test that runs a Pearson's chi squared test to determine whether the output diverges significantly from a uniform distribution.
Author: Nick Lavers <nick.lavers@videoamp.com>
Closes #14551 from nicklavers/SPARK-16961-randomizeInPlace.
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