[R] LogLik of nls
gunter.berton at gene.com
Thu Jan 31 21:26:19 CET 2013
methods(logLik) ## for S3 methods
### and look at the code!
On Thu, Jan 31, 2013 at 12:06 PM, Diviya Smith <diviya.smith at gmail.com> wrote:
> Hello there,
> Can anyone point me to the code for logLik of an nls object? I found the
> code for logLik of an lm but could not find exactly what function is used
> for calculating the logLik of nls function?
> I am using the nls to fit the following model to data -
> Model 1: y ~ Ae^(-mx) + Be^(-nx) +c
> and want to understand what is the likelihood function used by nls.
> Presumably it is using -
> N(Ae^(-mx) + Be^(-nx) +c, var = residuals from nls)
> Thank you in advance,
> [[alternative HTML version deleted]]
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Genentech Nonclinical Biostatistics
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