Re: [R] custom selfStart model works with getInitial but not nls

2009-10-17 Thread Michael A. Gilchrist
On Sat, 17 Oct 2009, Douglas Bates wrote: On Fri, Oct 16, 2009 at 7:09 PM, Michael A. Gilchrist wrote: Hello, I'm having problems creating and using a selfStart model with nlme.  Briefly, I've defined the model, a selfStart object, and then combined them to make a selfStart.default model. I

Re: [R] custom selfStart model works with getInitial but not nls

2009-10-17 Thread Douglas Bates
On Fri, Oct 16, 2009 at 7:09 PM, Michael A. Gilchrist wrote: > Hello, > > I'm having problems creating and using a selfStart model with nlme. >  Briefly, I've defined the model, a selfStart object, and then combined them > to make a selfStart.default model. > > If I apply getInitial to the selfSta

[R] custom selfStart model works with getInitial but not nls

2009-10-16 Thread Michael A. Gilchrist
Hello, I'm having problems creating and using a selfStart model with nlme. Briefly, I've defined the model, a selfStart object, and then combined them to make a selfStart.default model. If I apply getInitial to the selfStart model, I get results. However, if I try usint it with nls or nlsL