Re: [R] regression for poisson distributed data

2012-04-03 Thread Gabor Grothendieck
On Tue, Apr 3, 2012 at 11:03 AM, David Winsemius wrote: > > On Apr 3, 2012, at 9:58 AM, Joachim Audenaert wrote: > >> Hello all, >> >> I would like to get parameter estimates for different models. For one of >> them I give the code in example. I am estimating the parameters (i,j and >> k) with the

Re: [R] regression for poisson distributed data

2012-04-03 Thread Kjetil Halvorsen
¿Just write down the loglikelihood function and send it to optim? Kjetil On Tue, Apr 3, 2012 at 8:58 AM, Joachim Audenaert wrote: > Hello all, > > I would like to get parameter estimates for different models. For one of > them I give the code in example. I am estimating the parameters (i,j and >

Re: [R] regression for poisson distributed data

2012-04-03 Thread Gabor Grothendieck
On Tue, Apr 3, 2012 at 9:58 AM, Joachim Audenaert wrote: > Hello all, > > I would like to get parameter estimates for different models. For one of > them I give the code in example. I am estimating the parameters (i,j and > k) with the nls function, which sees the error distribution as normal, I >