Re: [R] "se.fit" option to the predict.nls() function

2015-01-06 Thread Ben Bolker
All I had in mind was that *if* you can set up an optimization over the parameters such that the prediction for a particular set of predictors is constrained to come out to a specified target value (i.e., nonlinear equality constraints), then you can compute profile confidence intervals on the pred

Re: [R] "se.fit" option to the predict.nls() function

2015-01-06 Thread peter dalgaard
On 06 Jan 2015, at 07:40 , Rune Haubo wrote: > On 5 January 2015 at 21:08, Ben Bolker wrote: >> Roger Coppock cox.net> writes: >> >>> >>> When will "R" implement the "se.fit" option to the >>> predict.nls() function? Is there some schedule? >>> >> >> I think this is unlikely to happen, e

Re: [R] "se.fit" option to the predict.nls() function

2015-01-05 Thread Rune Haubo
On 5 January 2015 at 21:08, Ben Bolker wrote: > Roger Coppock cox.net> writes: > >> >> When will "R" implement the "se.fit" option to the >> predict.nls() function? Is there some schedule? >> > > I think this is unlikely to happen, ever (sorry). The exact method > for finding confidence inte

Re: [R] "se.fit" option to the predict.nls() function

2015-01-05 Thread Ben Bolker
Roger Coppock cox.net> writes: > > When will "R" implement the "se.fit" option to the > predict.nls() function? Is there some schedule? > I think this is unlikely to happen, ever (sorry). The exact method for finding confidence intervals on nonlinear fits would be to compute likelihood p

[R] "se.fit" option to the predict.nls() function

2015-01-05 Thread Roger Coppock
When will "R" implement the "se.fit" option to the predict.nls() function? Is there some schedule? __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://