Re: [R] Issues with PearsonIV distribution

2012-01-26 Thread gaurang.jitendrabhai
) Cc: R-help@r-project.org Subject: Re: [R] Issues with PearsonIV distribution Which implementation of Pearson IV are you using? If it's trouble with a homebrewed one, you might want to use the p/q functions here: http://cran.r-project.org/web/packages/PearsonDS/index.html Otherwise, you

Re: [R] Issues with PearsonIV distribution

2012-01-25 Thread R. Michael Weylandt
Which implementation of Pearson IV are you using? If it's trouble with a homebrewed one, you might want to use the p/q functions here: http://cran.r-project.org/web/packages/PearsonDS/index.html Otherwise, you likely will have to share some code for any concrete help. Michael On Wed, Jan 25, 20

[R] Issues with PearsonIV distribution

2012-01-25 Thread gaurang.jitendrabhai
Hi team, I am facing issues with PearsonIV distribution fitting in R. I am applying Hyperbolic and PearsonIV distributions on the equity returns in UK over a period of 30 years. For the same data set i am getting strikingly different results under which Hyperbolic distribution does produce negati