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Narine Kokhlikyan 7c6c692637 [SPARK-12922][SPARKR][WIP] Implement gapply() on DataFrame in SparkR 
## What changes were proposed in this pull request?

gapply() applies an R function on groups grouped by one or more columns of a DataFrame, and returns a DataFrame. It is like GroupedDataSet.flatMapGroups() in the Dataset API.

Please, let me know what do you think and if you have any ideas to improve it.

Thank you!

## How was this patch tested?
Unit tests.
1. Primitive test with different column types
2. Add a boolean column
3. Compute average by a group

Author: Narine Kokhlikyan <narine.kokhlikyan@gmail.com>
Author: NarineK <narine.kokhlikyan@us.ibm.com>

Closes #12836 from NarineK/gapply2.
2016-06-15 21:42:05 -07:00
..
jarTest.R [SPARK-12034][SPARKR] Eliminate warnings in SparkR test cases. 2015-12-07 10:38:17 -08:00
packageInAJarTest.R [SPARK-13812][SPARKR] Fix SparkR lint-r test errors. 2016-03-13 14:30:44 -07:00
test_binary_function.R [SPARK-13812][SPARKR] Fix SparkR lint-r test errors. 2016-03-13 14:30:44 -07:00
test_binaryFile.R [SPARK-13812][SPARKR] Fix SparkR lint-r test errors. 2016-03-13 14:30:44 -07:00
test_broadcast.R [SPARK-13812][SPARKR] Fix SparkR lint-r test errors. 2016-03-13 14:30:44 -07:00
test_client.R [MINOR] [SPARKR] Update data-manipulation.R to use native csv reader 2016-05-09 09:58:36 -07:00
test_context.R [SPARK-15637][SPARK-15931][SPARKR] Fix R masked functions checks 2016-06-15 10:29:07 -07:00
test_includeJAR.R [SPARK-8603][SPARKR] Use shell() instead of system2() for SparkR on Windows 2016-05-26 20:55:06 -07:00
test_includePackage.R [SPARK-12034][SPARKR] Eliminate warnings in SparkR test cases. 2015-12-07 10:38:17 -08:00
test_mllib.R [SPARK-10903][SPARKR] R - Simplify SQLContext method signatures and use a singleton 2016-05-26 11:20:20 -07:00
test_parallelize_collect.R [SPARK-12034][SPARKR] Eliminate warnings in SparkR test cases. 2015-12-07 10:38:17 -08:00
test_rdd.R [SPARK-12792] [SPARKR] Refactor RRDD to support R UDF. 2016-03-28 21:51:02 -07:00
test_Serde.R [SPARK-12034][SPARKR] Eliminate warnings in SparkR test cases. 2015-12-07 10:38:17 -08:00
test_shuffle.R [SPARK-12327][SPARKR] fix code for lintr warning for commented code 2016-01-03 20:53:35 +05:30
test_sparkSQL.R [SPARK-12922][SPARKR][WIP] Implement gapply() on DataFrame in SparkR 2016-06-15 21:42:05 -07:00
test_take.R [SPARK-12034][SPARKR] Eliminate warnings in SparkR test cases. 2015-12-07 10:38:17 -08:00
test_textFile.R [SPARK-13812][SPARKR] Fix SparkR lint-r test errors. 2016-03-13 14:30:44 -07:00
test_utils.R [SPARK-12479][SPARKR] sparkR collect on GroupedData throws R error "missing value where TRUE/FALSE needed" 2016-05-08 00:17:36 -07:00
test_Windows.R [SPARK-8603][SPARKR] Use shell() instead of system2() for SparkR on Windows 2016-05-26 20:55:06 -07:00