GitHub user mpjlu opened a pull request:
https://github.com/apache/spark/pull/15058
[MLLIB]Add setBins for BinaryClassificationMetrics
## What changes were proposed in this pull request?
Add a setBins method for BinaryClassificationMetrics.
BinaryClassificationMetrics is a class in mllib/Evaluation. numBins is a
key attribute of it. If numBins greater than 0, then the curves (ROC curve,
PR curve) computed internally will be down-sampled to this many "bins".
It is useful to let the user set the numBins.
## How was this patch tested?
ut cases were changed to test this PR.
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mpjlu/spark addSetNumBins
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15058.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 #15058
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commit b28ac7499b62282ac3777d7be21a1ed0dc16a78b
Author: Peng <peng.m...@intel.com>
Date: 2016-09-12T08:02:31Z
add setBins
commit 1f4258e262314cd6781a6d6feca1940c4ea05457
Author: Peng <peng.m...@intel.com>
Date: 2016-09-12T09:41:59Z
Merge remote-tracking branch 'origin/master' into addSetNumBins
commit a70bf454dfd3838780a8d040858e53d3ad870966
Author: Peng <peng.m...@intel.com>
Date: 2016-09-12T10:10:30Z
change the comments style
commit c17bf4e768be614c806bbd913096538f89b380e5
Author: Peng <peng.m...@intel.com>
Date: 2016-09-12T10:15:51Z
minor change
commit d06b2b1d3f0d214a37da8d456e8e585b06fe5d9b
Author: Peng <peng.m...@intel.com>
Date: 2016-09-12T10:20:50Z
change the comments
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