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| author | Burak Yavuz <brkyvz@gmail.com> | 2015-04-30 21:56:03 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2015-04-30 21:56:03 -0700 |
| commit | b5347a4664625ede6ab9d8ef6558457a34ae423f (patch) | |
| tree | 6d068b5ede427fa4e4658d5d3ebcd9798c64950f /docs/configuration.md | |
| parent | 69a739c7f5fd002432ece203957e1458deb2f4c3 (diff) | |
| download | spark-b5347a4664625ede6ab9d8ef6558457a34ae423f.tar.gz spark-b5347a4664625ede6ab9d8ef6558457a34ae423f.tar.bz2 spark-b5347a4664625ede6ab9d8ef6558457a34ae423f.zip | |
[SPARK-7248] implemented random number generators for DataFrames
Adds the functions `rand` (Uniform Dist) and `randn` (Normal Dist.) as expressions to DataFrames.
cc mengxr rxin
Author: Burak Yavuz <brkyvz@gmail.com>
Closes #5819 from brkyvz/df-rng and squashes the following commits:
50d69d4 [Burak Yavuz] add seed for test that failed
4234c3a [Burak Yavuz] fix Rand expression
13cad5c [Burak Yavuz] couple fixes
7d53953 [Burak Yavuz] waiting for hive tests
b453716 [Burak Yavuz] move radn with seed down
03637f0 [Burak Yavuz] fix broken hive func
c5909eb [Burak Yavuz] deleted old implementation of Rand
6d43895 [Burak Yavuz] implemented random generators
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