Xiangrui Meng df32669514 [SPARK-7157][SQL] add sampleBy to DataFrame ... This was previously committed but then reverted due to test failures (see #6769). Author: Xiangrui Meng <meng@databricks.com> Closes #7755 from rxin/SPARK-7157 and squashes the following commits: fbf9044 [Xiangrui Meng] fix python test 542bd37 [Xiangrui Meng] update test 604fe6d [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-7157 f051afd [Xiangrui Meng] use udf instead of building expression f4e9425 [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-7157 8fb990b [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-7157 103beb3 [Xiangrui Meng] add Java-friendly sampleBy 991f26f [Xiangrui Meng] fix seed 4a14834 [Xiangrui Meng] move sampleBy to stat 832f7cc [Xiangrui Meng] add sampleBy to DataFrame		2015-07-30 17:16:03 -07:00
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src	[SPARK-7157][SQL] add sampleBy to DataFrame	2015-07-30 17:16:03 -07:00
pom.xml	[SPARK-9015] [BUILD] Clean project import in scala ide	2015-07-16 18:42:41 +01:00