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| author | Joseph K. Bradley <joseph@databricks.com> | 2015-02-09 22:09:07 -0800 |
|---|---|---|
| committer | Xiangrui Meng <meng@databricks.com> | 2015-02-09 22:09:07 -0800 |
| commit | ef2f55b97f58fa06acb30e9e0172fb66fba383bc (patch) | |
| tree | 3e3cfab15830e2f85db891f2adb12a3c9d7a09c1 /examples | |
| parent | bd0b5ea708aa5b84adb67c039ec52408289718bb (diff) | |
| download | spark-ef2f55b97f58fa06acb30e9e0172fb66fba383bc.tar.gz spark-ef2f55b97f58fa06acb30e9e0172fb66fba383bc.tar.bz2 spark-ef2f55b97f58fa06acb30e9e0172fb66fba383bc.zip | |
[SPARK-5597][MLLIB] save/load for decision trees and emsembles
This is based on #4444 from jkbradley with the following changes:
1. Node schema updated to
~~~
treeId: int
nodeId: Int
predict/
|- predict: Double
|- prob: Double
impurity: Double
isLeaf: Boolean
split/
|- feature: Int
|- threshold: Double
|- featureType: Int
|- categories: Array[Double]
leftNodeId: Integer
rightNodeId: Integer
infoGain: Double
~~~
2. Some refactor of the implementation.
Closes #4444.
Author: Joseph K. Bradley <joseph@databricks.com>
Author: Xiangrui Meng <meng@databricks.com>
Closes #4493 from mengxr/SPARK-5597 and squashes the following commits:
75e3bb6 [Xiangrui Meng] fix style
2b0033d [Xiangrui Meng] update tree export schema and refactor the implementation
45873a2 [Joseph K. Bradley] org imports
1d4c264 [Joseph K. Bradley] Added save/load for tree ensembles
dcdbf85 [Joseph K. Bradley] added save/load for decision tree but need to generalize it to ensembles
Diffstat (limited to 'examples')
0 files changed, 0 insertions, 0 deletions