GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/3193
[SPARK-4327] [PySpark] Python API for RDD.randomSplit()
```
pyspark.RDD.randomSplit(self, weights, seed=None)
Randomly splits this RDD with the provided weights.
:param weights: weights for splits, will be normalized if they don't
sum to 1
:param seed: random seed
:return: split RDDs in an list
>>> rdd = sc.parallelize(range(10), 1)
>>> rdd1, rdd2, rdd3 = rdd.randomSplit([0.4, 0.6, 1.0], 11)
>>> rdd1.collect()
[3, 6]
>>> rdd2.collect()
[0, 5, 7]
>>> rdd3.collect()
[1, 2, 4, 8, 9]
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark randomSplit
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3193.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3193
----
commit 41fce544cadce5ed314b75f368abf79ee7fcd2da
Author: Davies Liu <[email protected]>
Date: 2014-11-10T23:54:20Z
randomSplit()
----
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