GitHub user yanboliang opened a pull request:
https://github.com/apache/spark/pull/18610
[SPARK-21386] ML LinearRegression supports warm start from user provided
initial model.
## What changes were proposed in this pull request?
Allow users to set initial model when training ```LinearRegressionModel```.
This is the first step to make ML supports warm-start, we can distribute tasks
for other algorithms after this get merged.
## How was this patch tested?
Added unit test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yanboliang/spark spark-21386
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18610.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 #18610
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commit ae8f32b2fe8b774f50ffde2931e0727eca1ea11b
Author: Yanbo Liang <[email protected]>
Date: 2017-07-12T08:45:32Z
ML LinearRegression supports warm start by user provided initial model.
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