From: Scott Story <sstory_at_montana.edu>

Date: Thu 01 Dec 2005 - 02:14:23 EST

Date: Thu 01 Dec 2005 - 02:14:23 EST

I am trying to write a function that will solve a simple system of
nonlinear equations for the parameters that describe the beta
distribution (a,b) given the mean and variance.

mean = a/(a+b)

variance = (a*b)/(((a+b)^2) * (a+b+1))

Any help as to where to start would be welcome.

-- Scott Story Graduate Student MSU Ecology Department 319 Lewis Hall Bozeman, Mt 59717 406.994.2670 sstory@montana.edu ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.htmlReceived on Thu Dec 01 03:00:43 2005

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