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Liang-Chi Hsieh fe59a4a5f5 [SPARK-8468] [ML] Take the negative of some metrics in RegressionEvaluator to get correct cross validation 
JIRA: https://issues.apache.org/jira/browse/SPARK-8468

Author: Liang-Chi Hsieh <viirya@gmail.com>

Closes #6905 from viirya/cv_min and squashes the following commits:

930d3db [Liang-Chi Hsieh] Fix python unit test and add document.
d632135 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into cv_min
16e3b2c [Liang-Chi Hsieh] Take the negative instead of reciprocal.
c3dd8d9 [Liang-Chi Hsieh] For comments.
b5f52c1 [Liang-Chi Hsieh] Add param to CrossValidator for choosing whether to maximize evaulation value.

(cherry picked from commit 0b8995168f)
Signed-off-by: Joseph K. Bradley <joseph@databricks.com>
2015-06-20 13:02:14 -07:00
..
param [SPARK-7762] [MLLIB] set default value for outputCol 2015-05-20 17:26:44 -07:00
__init__.py [SPARK-7535] [.0] [MLLIB] Audit the pipeline APIs for 1.4 2015-05-21 22:57:43 -07:00
classification.py [SPARK-7511] [MLLIB] pyspark ml seed param should be random by default or 42 is quite funny but not very random 2015-05-20 15:16:27 -07:00
evaluation.py [SPARK-8468] [ML] Take the negative of some metrics in RegressionEvaluator to get correct cross validation 2015-06-20 13:02:14 -07:00
feature.py [SPARK-7912] [SPARK-7921] [MLLIB] Update OneHotEncoder to handle ML attributes and change includeFirst to dropLast 2015-05-29 00:51:24 -07:00
pipeline.py [SPARK-7535] [.0] [MLLIB] Audit the pipeline APIs for 1.4 2015-05-21 22:57:43 -07:00
recommendation.py [SPARK-7922] [MLLIB] use DataFrames for user/item factors in ALSModel 2015-05-28 22:38:46 -07:00
regression.py [SPARK-7511] [MLLIB] pyspark ml seed param should be random by default or 42 is quite funny but not very random 2015-05-20 15:16:27 -07:00
tests.py [SPARK-7511] [MLLIB] pyspark ml seed param should be random by default or 42 is quite funny but not very random 2015-05-20 15:16:27 -07:00
tuning.py [SPARK-7432] [MLLIB] fix flaky CrossValidator doctest 2015-06-02 08:51:07 -07:00
util.py [SPARK-7380] [MLLIB] pipeline stages should be copyable in Python 2015-05-18 12:02:26 -07:00
wrapper.py [SPARK-7535] [.0] [MLLIB] Audit the pipeline APIs for 1.4 2015-05-21 22:57:43 -07:00