GitHub user rotationsymmetry opened a pull request:
https://github.com/apache/spark/pull/8631
[SPARK-9642] [ML] [WIP] LinearRegression should supported weighted data
In many modeling application, data points are not necessarily sampled with
equal probabilities. Linear regression should support weighting which account
the over or under sampling.
work in progress.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rotationsymmetry/spark SPARK-9642
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8631.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 #8631
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commit e9093cbea2554fbc124899a58e3cbfdade5ea795
Author: Meihua Wu <[email protected]>
Date: 2015-09-06T15:15:55Z
[WIP] Add support for weighted sample and associated test.
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