GitHub user wangmiao1981 opened a pull request:
https://github.com/apache/spark/pull/12116
[SPARK-12569][PySpark][ML]:DecisionTreeRegressor: provide variance of
prediction: Python AP
## What changes were proposed in this pull request?
A new column VarianceCol has been added to DecisionTreeRegressor in ML
scala code.
This patch adds the corresponding Python API, HasVarianceCol, to class
DecisionTreeRegressor.
## How was this patch tested?
./dev/lint-python
PEP8 checks passed.
rm -rf _build/*
pydoc checks passed.
./python/run-tests --python-executables=python2.7 --modules=pyspark-ml
Running PySpark tests. Output is in
/Users/mwang/spark_ws_0904/python/unit-tests.log
Will test against the following Python executables: ['python2.7']
Will test the following Python modules: ['pyspark-ml']
Finished test(python2.7): pyspark.ml.evaluation (12s)
Finished test(python2.7): pyspark.ml.clustering (18s)
Finished test(python2.7): pyspark.ml.classification (30s)
Finished test(python2.7): pyspark.ml.recommendation (28s)
Finished test(python2.7): pyspark.ml.feature (43s)
Finished test(python2.7): pyspark.ml.regression (31s)
Finished test(python2.7): pyspark.ml.tuning (19s)
Finished test(python2.7): pyspark.ml.tests (34s)
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangmiao1981/spark fix_api
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12116.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #12116
----
commit 5a6de8f3d4830b5d0a1ea2a437091a67deb121fc
Author: wm...@hotmail.com <wm...@hotmail.com>
Date: 2016-04-01T21:36:51Z
Add variance of prediction: Python API for DecisionTreeRegressor
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