subject:"\[R\] Strange result from GAMLSS"

Re: [R] Strange result from GAMLSS

2012-09-11 Thread Ingmar Visser

Hi John, I don't have access to R right now but do remember that some of the parametersin gamlss have log and/or logit link functions which would give the possibility for negative values. Hth, Ingmar Department of Psychology University of Amsterdam Op 11 Sep 2012 om 21:01 heeft John Kerpel he

[R] Strange result from GAMLSS

2012-09-11 Thread John Kerpel

Hi Folks! Just started using the gamlss package and I tried a simple code example (see below). Why the negative sigma? John > y <- rt(100, df=1)> m1<-fitDist(y, type="realline")Warning messages:1: In > MLE(ll3, start = list(eta.mu = eta.mu, eta.sigma = eta.sigma, : possible convergence pro