spark-instrumented-optimizer/R/pkg
ozan a38d605d0d [SPARK-18570][ML][R] RFormula support * and ^ operators
## What changes were proposed in this pull request?

Added support for `*` and `^` operators, along with expressions within parentheses. New operators just expand to already supported terms, such as;

 - y ~ a * b = y ~ a + b + a : b
 - y ~ (a+b+c)^3 = y ~ a + b + c + a : b + a : c + a :b : c

## How was this patch tested?

Added new unit tests to RFormulaParserSuite

mengxr yanboliang

Closes #24764 from ozancicek/rformula.

Authored-by: ozan <ozancancicekci@gmail.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-06-04 08:59:30 -05:00
..
inst [SPARK-26830][SQL][R] Vectorized R dapply() implementation 2019-02-27 14:29:58 +09:00
R [SPARK-18570][ML][R] RFormula support * and ^ operators 2019-06-04 08:59:30 -05:00
src-native [SPARK-6811] Copy SparkR lib in make-distribution.sh 2015-05-23 00:04:01 -07:00
tests [SPARK-27834][SQL][R][PYTHON] Make separate PySpark/SparkR vectorization configurations 2019-06-03 10:01:37 +09:00
vignettes [SPARK-26132][BUILD][CORE] Remove support for Scala 2.11 in Spark 3.0.0 2019-03-25 10:46:42 -05:00
.lintr [SPARK-22063][R] Fixes lint check failures in R by latest commit sha1 ID of lint-r 2017-10-01 18:42:45 +09:00
.Rbuildignore [SPARK-20877][SPARKR][FOLLOWUP] clean up after test move 2017-06-11 03:00:44 -07:00
DESCRIPTION [MINOR][R] fix R project description 2019-03-30 21:00:46 -07:00
NAMESPACE [SPARK-27099][SQL] Add 'xxhash64' for hashing arbitrary columns to Long 2019-03-20 16:34:34 +08:00