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https://issues.apache.org/jira/browse/MATH-1208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14352457#comment-14352457
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Phil Steitz edited comment on MATH-1208 at 3/9/15 2:41 AM:
-----------------------------------------------------------
Fixed in
master: b148046add84f6c5bd19aeceb10c1a0fcf2e1283
3.x: d41364faa4f73fc885dcc9e99a838e8fa4c95998
Fix was to eliminate interpolation within bin for bins having constant kernel
distributions assigned. For any x within a bin with constant kernel, {code}
cumulativeProbability(x) {code} is now the sum of the bin masses below the bin
containing {code}x {code} plus the full mass of the bin to which x belongs.
was (Author: psteitz):
Fixed in
master: b148046add84f6c5bd19aeceb10c1a0fcf2e1283
3.x: d41364faa4f73fc885dcc9e99a838e8fa4c95998
Fix was to eliminate interpolation within bin for bins having constant kernel
distributions assigned. For any x within a bin with constant kernel,
cumulativeProbability(x) is now the sum of the bin masses below the bin
containing x plus the full mass of the bin to which x belongs.
> EmpiricalDistribution cumulativeProbability can return NaN when evaluated
> within a constant bin
> -----------------------------------------------------------------------------------------------
>
> Key: MATH-1208
> URL: https://issues.apache.org/jira/browse/MATH-1208
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.4.1
> Reporter: Phil Steitz
> Fix For: 4.0, 3.5
>
>
> If x belongs to a bin with no variance or to which a ConstantRealDistribution
> kernel has been assigned, cumulativeProbability(x) can return NaN.
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