Re: [R] About nls.

Hi Please keep conversation on list somebody can have better idea. Other see in line. > -Original Message- > From: Jianling Fan [mailto:fanjianl...@gmail.com] > Sent: Friday, July 31, 2015 4:46 PM > To: PIKAL Petr > Subject: Re: [R] About nls. > > Hello, Petr, >

Re: [R] About nls.

c d50 0.9622249 416.1272498 -0.7178156 73.6017161 > Cheers Petr > -Original Message- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of > Jianling Fan > Sent: Thursday, July 30, 2015 9:51 PM > To: r-help@r-project.org > Subject: [R] About nls. &g

[R] About nls.

Hello, I am trying to do a nls regression with R. but I always get a error as "Error in numericDeriv(form[[3L]], names(ind), env) : Missing value or an infinity produced when evaluating the model". I googled it and found someone said it is because of the improper start value. I tried many times