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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
..
test_binary_function.R [SPARK-6991] [SPARKR] Adds support for zipPartitions. 2015-04-27 15:04:37 -07:00
test_binaryFile.R [SPARK-6850] [SparkR] use one partition when we need to compare the whole result 2015-04-10 15:35:45 -07:00
test_broadcast.R [SPARK-7230] [SPARKR] Make RDD private in SparkR. 2015-05-05 14:41:05 -07:00
test_context.R [SPARK-5654] Integrate SparkR 2015-04-08 22:45:40 -07:00
test_includePackage.R [SPARK-5654] Integrate SparkR 2015-04-08 22:45:40 -07:00
test_parallelize_collect.R [SPARK-5654] Integrate SparkR 2015-04-08 22:45:40 -07:00
test_rdd.R [SPARK-6856] [R] Make RDD information more useful in SparkR 2015-04-27 13:38:25 -07:00
test_shuffle.R [SPARK-6807] [SparkR] Merge recent SparkR-pkg changes 2015-04-17 13:42:19 -07:00
test_sparkSQL.R [SPARK-6841] [SPARKR] add support for mean, median, stdev etc. 2015-05-05 20:40:05 -07:00
test_take.R [SPARK-5654] Integrate SparkR 2015-04-08 22:45:40 -07:00
test_textFile.R [SPARK-6850] [SparkR] use one partition when we need to compare the whole result 2015-04-10 15:35:45 -07:00
test_utils.R [SPARK-7230] [SPARKR] Make RDD private in SparkR. 2015-05-05 14:41:05 -07:00