[jira] [Resolved] (MATH-1285) Description API ZipfDistribution
[ https://issues.apache.org/jira/browse/MATH-1285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Luc Maisonobe resolved MATH-1285. - Resolution: Fixed > 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 > Labels: easyfix > Fix For: 4.0, 3.6 > > Original Estimate: 1h > Remaining Estimate: 1h > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Resolved] (MATH-1285) Description API ZipfDistribution
[ https://issues.apache.org/jira/browse/MATH-1285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Otmar Ertl resolved MATH-1285. -- Resolution: Fixed Fix Version/s: 3.6 4.0 > 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 > Labels: easyfix > Fix For: 4.0, 3.6 > > Original Estimate: 1h > Remaining Estimate: 1h > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
