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author | Erik Erlandson <eerlands@redhat.com> | 2014-10-30 22:30:52 -0700 |
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committer | Xiangrui Meng <meng@databricks.com> | 2014-10-30 22:30:52 -0700 |
commit | ad3bd0dff8997861c5a04438145ba6f91c57a849 (patch) | |
tree | 8d99ab3fbef08b915b281f15e62ea9f6d4b9e32e /python | |
parent | 872fc669b497fb255db3212568f2a14c2ba0d5db (diff) | |
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[SPARK-3250] Implement Gap Sampling optimization for random sampling
More efficient sampling, based on Gap Sampling optimization:
http://erikerlandson.github.io/blog/2014/09/11/faster-random-samples-with-gap-sampling/
Author: Erik Erlandson <eerlands@redhat.com>
Closes #2455 from erikerlandson/spark-3250-pr and squashes the following commits:
72496bc [Erik Erlandson] [SPARK-3250] Implement Gap Sampling optimization for random sampling
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