Pim van der Hoorn created MATH-1285:
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Summary: Description API ZipfDistribution
Key: MATH-1285
URL: https://issues.apache.org/jira/browse/MATH-1285
Project: Commons Math
Issue Type: Improvement
Environment: All
Reporter: Pim van der Hoorn
Priority: Minor
The description of the constructors for the ZipfDistribution class specifies an
argument of type doule, called exponent. The documentation refers to a
MathWorld page where the distribution is defined. However, here the exponent p,
is the exponent of the cdf, not of the pdf (which is then p + 1). After running
some test I found that the exponent in the constructor is the one for the pdf.
This can create confusion among users. Therefore I recommend specifying in the
documentation which exponent is meant.
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