GitHub user yanboliang opened a pull request:
https://github.com/apache/spark/pull/16002
[SPARK-18341][ML] Eliminate use of SingularMatrixException in
WeightedLeastSquares
## What changes were proposed in this pull request?
We should use error code or status code to indicate the normal equation
solution status rather than exception. In this PR, I eliminated use of
```SingularMatrixException``` in ```WeightedLeastSquares```.
## How was this patch tested?
Existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yanboliang/spark spark-18341
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16002.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 #16002
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commit 876919e27a9335b870a151a98258257a258e8bd0
Author: Yanbo Liang <yblia...@gmail.com>
Date: 2016-11-24T09:04:58Z
Eliminate use of SingularMatrixException in WeightedLeastSquares
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