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Yan Facai (颜发才) 7f96f2d7f2 [SPARK-16957][MLLIB] Use midpoints for split values. 
## What changes were proposed in this pull request?

Use midpoints for split values now, and maybe later to make it weighted.

## How was this patch tested?

+ [x] add unit test.
+ [x] revise Split's unit test.

Author: Yan Facai (颜发才) <facai.yan@gmail.com>
Author: 颜发才（Yan Facai） <facai.yan@gmail.com>

Closes #17556 from facaiy/ENH/decision_tree_overflow_and_precision_in_aggregation.
2017-05-03 10:54:40 +01:00
..
linalg [SPARK-6227][MLLIB][PYSPARK] Implement PySpark wrappers for SVD and PCA (v2) 2017-05-03 10:58:05 +02:00
stat [SPARK-18447][DOCS] Fix the markdown for Note:/NOTE:/Note that across Python API documentation 2016-11-22 11:40:18 +00:00
__init__.py [SPARK-14817][ML][MLLIB][DOC] Made DataFrame-based API primary in MLlib guide 2016-07-15 13:38:23 -07:00
classification.py [SPARK-14812][ML][MLLIB][PYTHON] Experimental, DeveloperApi annotation audit for ML 2016-07-13 12:33:39 -07:00
clustering.py [SPARK-18447][DOCS] Fix the markdown for Note:/NOTE:/Note that across Python API documentation 2016-11-22 11:40:18 +00:00
common.py [SPARK-17679] [PYSPARK] remove unnecessary Py4J ListConverter patch 2016-10-03 14:12:03 -07:00
evaluation.py [SPARK-15823][PYSPARK][ML] Add @property for 'accuracy' in MulticlassMetrics 2016-06-10 10:09:19 +01:00
feature.py [SPARK-17645][MLLIB][ML][FOLLOW-UP] document minor change 2017-01-10 13:09:58 +00:00
fpm.py [SPARK-14812][ML][MLLIB][PYTHON] Experimental, DeveloperApi annotation audit for ML 2016-07-13 12:33:39 -07:00
random.py [SPARK-15464][ML][MLLIB][SQL][TESTS] Replace SQLContext and SparkContext with SparkSession using builder pattern in python test code 2016-05-23 18:14:48 -07:00
recommendation.py [SPARK-20011][ML][DOCS] Clarify documentation for ALS 'rank' parameter 2017-03-21 13:23:59 +00:00
regression.py [SPARK-18447][DOCS] Fix the markdown for Note:/NOTE:/Note that across Python API documentation 2016-11-22 11:40:18 +00:00
tests.py [SPARK-6227][MLLIB][PYSPARK] Implement PySpark wrappers for SVD and PCA (v2) 2017-05-03 10:58:05 +02:00
tree.py [SPARK-16957][MLLIB] Use midpoints for split values. 2017-05-03 10:54:40 +01:00
util.py [SPARK-18445][BUILD][DOCS] Fix the markdown for Note:/NOTE:/Note that/'''Note:''' across Scala/Java API documentation 2016-11-19 11:24:15 +00:00