[R] messages from mle function

2008-03-11 Thread bernardo lagos alvarez
Dears useRs, I am using the mle function but this gives me the follow erros that I don't understand. Perhaps there is someone that can help me. thank you for you atention. Bernardo. erizo - read.csv(Datos_Stokes_1.csv, header = TRUE) head(erizo) EDAD TALLA 10 7.7 21 14.5 31

Re: [R] messages from mle function

2008-03-11 Thread Prof Brian Ripley
This is not reproducible, so I am reduced to guessing. Your loglike() is only defined for positive f, but you have not imposed that constraint on your optimization. Further, if f=5.91e-05 is a typical value, your problem is badly conditioned and the finite difference code in optim() is