qhuang b5cd7dc1f0 [SPARK-6841] [SPARKR] add support for mean, median, stdev etc. ... Moving here from https://github.com/amplab-extras/SparkR-pkg/pull/241 sum() has been implemented. (https://github.com/amplab-extras/SparkR-pkg/pull/242) Now Phase 1: mean, sd, var have been implemented, but some things still need to be improved with the suggestions in https://issues.apache.org/jira/browse/SPARK-6841 Author: qhuang <qian.huang@intel.com> Closes #5446 from hqzizania/R and squashes the following commits: f283572 [qhuang] add test unit for describe() 2e74d5a [qhuang] add describe() DataFrame API (cherry picked from commit a466944399) Signed-off-by: Reynold Xin <rxin@databricks.com>		2015-05-05 20:40:05 -07:00
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profile	[SPARK-5654] Integrate SparkR	2015-04-08 22:45:40 -07:00
tests	[SPARK-6841] [SPARKR] add support for mean, median, stdev etc.	2015-05-05 20:40:05 -07:00
worker	[SPARK-7230] [SPARKR] Make RDD private in SparkR.	2015-05-05 14:41:05 -07:00