Re: [R] Parameter names in nls

2008-07-22 Thread Ben Bolker
spamgourmet.com> writes: > > Kiaora Rolf, > > Thanks for the reply. The syntax that I am using is based on examples > from ?optim, where a very similar system is setup with the rosenbrook > banana function. Given that nls() is basically a wrapper for optim(), > it seems reasonable that the log

Re: [R] Parameter names in nls

2008-07-22 Thread rhelp . 20 . trevva
Kiaora Rolf, Thanks for the reply. The syntax that I am using is based on examples from ?optim, where a very similar system is setup with the rosenbrook banana function. Given that nls() is basically a wrapper for optim(), it seems reasonable that the logic should carry across. Furthermore, the fo

Re: [R] Parameter names in nls

2008-07-21 Thread Rolf Turner
On 22/07/2008, at 3:49 AM, [EMAIL PROTECTED] wrote: Dear R-help, Could you please examine the following code, and see if I have discovered a bug or not, or am just doing something silly. I am trying to create a package to do fish stock assessment using the nls() function to fit the model

[R] Parameter names in nls

2008-07-21 Thread rhelp . 20 . trevva
Dear R-help, Could you please examine the following code, and see if I have discovered a bug or not, or am just doing something silly. I am trying to create a package to do fish stock assessment using the nls() function to fit the modelled stock size to the various pieces of information that w