GitHub user facaiy opened a pull request:
https://github.com/apache/spark/pull/18120
[SPARK-20498][PYSPARK][ML] Expose getMaxDepth for ensemble tree model in
PySpark
## What changes were proposed in this pull request?
add `getMaxDepth` method for ensemble tree models:
+ `RandomForestClassifierModel`
+ `RandomForestRegressionModel`
+ `GBTClassificationModel`
+ `GBTRegressionModel`
## How was this patch tested?
+ [ ] pass all unit tests.
+ [ ] add new doctest.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/facaiy/spark ENH/pyspark_rf_add_get_max_depth
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18120.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 #18120
----
commit 96e797f79000964ea226efced7318f24a1722535
Author: Yan Facai (é¢åæ) <facai....@gmail.com>
Date: 2017-05-26T07:48:02Z
ENH: add maxDepth for resemble tree model
commit 50815928f070f89ae71e235d51e833cef596a361
Author: Yan Facai (é¢åæ) <facai....@gmail.com>
Date: 2017-05-26T08:45:11Z
TST: add doctest
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