[R] Help with Beta Distribution

[Tharacad.Ramanarayanan@aventis.com]

-----Original Message-----
From: rossini at blindglobe.net [mailto:rossini at blindglobe.net]
Sent: Tuesday, January 22, 2002 5:26 PM
To: Ramanarayanan, Tharacad
Cc: r-help at hypatia.math.ethz.ch
Subject: Re: [R] Help with Beta Distribution


>>>>> "TR" == Tharacad Ramanarayanan <Tharacad.Ramanarayanan at aventis.com>
writes:

    TR> First let me confess that I am a R-novice.  I am trying to fit
    TR> a beta distribution for a dataset using fitdistr(MASS). I am
    TR> having difficulties with it because the function tends to fit
    TR> a distribution with a range of 0 to 1 (I guess). However, my
    TR> dataset is not!

Since a beta (range in 0,1) doesn't describe what you want, why force
it? 

Hmm . . . a standard beta distribution(B(x)) is 0 < x < 1. So is a standard
uniform distribution. A standard beta distribution can be transformed for
any (positive) range.

thanks.
-ram 
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