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st: Beta distribution

From   "Hartman, Rob" <[email protected]>
To   "[email protected]" <[email protected]>
Subject   st: Beta distribution
Date   Thu, 27 Jan 2011 22:33:25 -0500

Hi Listers,
Is it possible to generate a random beta variable with
-a fixed/predetermined range of possible values, as well as 
-a fixed mean, but still have
-the ability to vary the shape parameters meaningfully?  

This is more a distributions question in general than a stata question in particular, but I would want to implement using stata.

I want to test the power of a mean comparison test (with means/mean difference specified a priori) for variables with fixed range of values (0 to 2 in this case) but where the underlying distributions are anyone's guess. That is, I want to be able to experiment w/ different distributional properties while maintaining the mean and range.

Would appreciate any guidance, including alternative approaches.


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