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| author | Yanbo Liang <ybliang8@gmail.com> | 2016-11-22 19:17:48 -0800 |
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| committer | Yanbo Liang <ybliang8@gmail.com> | 2016-11-22 19:17:48 -0800 |
| commit | 982b82e32e0fc7d30c5d557944a79eb3e6d2da59 (patch) | |
| tree | ad9a9b28a282ffe8a4fe06c65abba8acd3339fb3 /README.md | |
| parent | d0212eb0f22473ee5482fe98dafc24e16ffcfc63 (diff) | |
| download | spark-982b82e32e0fc7d30c5d557944a79eb3e6d2da59.tar.gz spark-982b82e32e0fc7d30c5d557944a79eb3e6d2da59.tar.bz2 spark-982b82e32e0fc7d30c5d557944a79eb3e6d2da59.zip | |
[SPARK-18501][ML][SPARKR] Fix spark.glm errors when fitting on collinear data
## What changes were proposed in this pull request?
* Fix SparkR ```spark.glm``` errors when fitting on collinear data, since ```standard error of coefficients, t value and p value``` are not available in this condition.
* Scala/Python GLM summary should throw exception if users get ```standard error of coefficients, t value and p value``` but the underlying WLS was solved by local "l-bfgs".
## How was this patch tested?
Add unit tests.
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #15930 from yanboliang/spark-18501.
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