GitHub user tgaloppo opened a pull request:
https://github.com/apache/spark/pull/3923
SPARK-5018 [MLlib] [WIP] Make MultivariateGaussian public
Moving MutlivariateGaussian from private[mllib] to public. The class uses
Breeze vectors internally, so this involves creating a public interface using
MLlib vectors and matrices.
This initial commit provides public construction, accessors for
mean/covariance, density and log-density.
Other potential methods include entropy and sample generation.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgaloppo/spark spark-5018
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3923.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 #3923
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commit 4dee9e1a94d963e9aa174df45a0ad9b52c3d8f24
Author: Travis Galoppo <[email protected]>
Date: 2015-01-07T03:45:43Z
SPARK-5018
MultivariateGaussian.scala - Made class public and exposed public methods
leveraging MLlib vectors and matrices. Added logpdf method providing
log-density calculation.
MultivariateGaussianSuite.scala - Test are now performed through the public
methods.
commit 0943dc43b887a2626d6e6ef6cf0f8ac48ebc7f0f
Author: Travis Galoppo <[email protected]>
Date: 2015-01-07T03:51:10Z
SPARK-5018
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