Re: [R] Unable to retrieve residual sum of squares from nls output

2010-08-13 Thread Gabor Grothendieck
On Fri, Aug 13, 2010 at 5:32 PM, Gabor Grothendieck wrote: > On Fri, Aug 13, 2010 at 5:21 PM, Dennis Fisher wrote: >> Colleagues, >> >> I am using "nls" successfully (2.11.1, OS X) but I am having difficulties >> retrieving part of the output - residual sum of squares.  I have assigned >> the o

Re: [R] Unable to retrieve residual sum of squares from nls output

2010-08-13 Thread Jun Shen
Hi, Dennis, Does this give what you want? >sum(resid(FIT)^2) Jun Senior Pharmacokineticist Seventh Wave Labs On Fri, Aug 13, 2010 at 4:21 PM, Dennis Fisher wrote: > Colleagues, > > I am using "nls" successfully (2.11.1, OS X) but I am having difficulties > retrieving part of the output - resi

Re: [R] Unable to retrieve residual sum of squares from nls output

2010-08-13 Thread Gabor Grothendieck
On Fri, Aug 13, 2010 at 5:21 PM, Dennis Fisher wrote: > Colleagues, > > I am using "nls" successfully (2.11.1, OS X) but I am having difficulties > retrieving part of the output - residual sum of squares.  I have assigned the > output to FIT: >> > FIT >> Nonlinear regression model >>   model:  N

[R] Unable to retrieve residual sum of squares from nls output

2010-08-13 Thread Dennis Fisher
Colleagues, I am using "nls" successfully (2.11.1, OS X) but I am having difficulties retrieving part of the output - residual sum of squares. I have assigned the output to FIT: > > FIT > Nonlinear regression model > model: NEWY ~ PMESOR + PAMPLITUDE * cos(2 * pi * (NEWX - POFFSET)/PERIOD)