Karl D. Gierach created MATH-1373:
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Summary: In LogNormalDistribution.java, it appears shape & scale
are reversed/mis-labelled.
Key: MATH-1373
URL: https://issues.apache.org/jira/browse/MATH-1373
Project: Commons Math
Issue Type: Bug
Affects Versions: 3.6.1
Reporter: Karl D. Gierach
Priority: Minor
When I compute the logshape and log scale based on the formulas on wikipedia's
lognormal distribution page that use empirical mean and variance, I found that
the getNumericalMean() method was not returning the empirical mean.
However, upon just trying to reverse the shape and scale parameters in the
constructor proved to fix the problem, and the object then returns the correct
empirical mean.
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