Kyle Kavanagh created MATH-1203:
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Summary: getKernel fails for buckets with only multiple instances
of the same value in random.EmpiricalDistribution
Key: MATH-1203
URL: https://issues.apache.org/jira/browse/MATH-1203
Project: Commons Math
Issue Type: Bug
Affects Versions: 3.4.1, 3.4
Reporter: Kyle Kavanagh
After loading a set of values into an EmpericalDistribution, assume that
there's a case where a single bin ONLY contains multiple instances of the same
value. In this case the standard deviation will equal zero. This will fail
when getKernel attempts to create a NormalDistribution. The other case where
stddev=0 is when there is only a single value in the bin, and this is handled
by returning a ConstantRealDistribution rather than a NormalDistrbution.
See: https://issues.apache.org/jira/browse/MATH-984
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