Re: [R] optimization problem

Thanks to all who responded, I've found a very useful code here: http://courses.washington.edu/fish507/notes.html In particular the Lecture 3... Héctor 2015-10-17 7:05 GMT+00:00 Berend Hasselman : > > Your model is producing -Inf entries in the vector Be (in function modl > and LL) at some s

[R] optimization problem

Dear R users, I'im trying to find the parameters of a dynamic biomass model using maximum likelihood estimation. I used two approaches, one by hand, with optim() function and the other using mle2() function from package bbmle. My problem is that the results change a lot depending on the initial va

[R] Programming Statistical Functions

Hello, I'm new in R. I'm meteorological modeller and i will calculate some statistics for my model results. These statistis are the follow: ANB: Average Normalized Absolute BIAS MNB: Mean Normalized BIAS MNE: Mean Normalised Error STDE: Standard Deviation of Error FB: Fractional BIAS MG: Geomet

[R] Selecting Best Model in an anova.

were related in this test... Actually she never talked about significance level... In short: Should I consider the significance level or always use 0.05 for this kind of test? Thanks a lot! Hector Guilarte Enviado desde mi dispositivo movil BlackBerry® de Digitel. __

[R] Help with predict and confidence intervals

is approach with points: points(limites[,1],limites[,4],type="l",col=2) points(limites[,1],limites[,5],type="l",col=4) points(limites[,2],limites[,4],type="l",col=2) points(limites[,2],limites[,5],type="l",col=4) points(limites[,3],limites[,4],t