GitHub user dmarcous opened a pull request:
https://github.com/apache/spark/pull/10945
Update MulticlassMetrics.scala
Add specificity calculations
pecificity (SPC) or true negative rate
SPC = TN / N = TN / (TN+FP)
False Positive Rate (FPR)
FPR = FP / N = FP / (FP + TN) = 1-SPC
SPC = 1 - FPR
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dmarcous/spark patch-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10945.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 #10945
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commit 7acb2b3377a955b39a4cf64553bdb365cb013bab
Author: Daniel Marcous <[email protected]>
Date: 2016-01-27T08:47:37Z
Update MulticlassMetrics.scala
Add specificity calculations
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