Re: [R] different forms of nls recommendations

2010-03-21 Thread Dieter Menne
emorway wrote: So I wanted to try a different equation of the general form a/(b+c*x^d) US.nls.2-nls(US.final.values$ECe~(a/(b+c*US.final.values$WTD^d)),data=US.final.values,start=list(a=100.81,b=73.7299,c=0.0565,d=-6.043),trace=TRUE,algorithm=port) but that ended with Convergence

Re: [R] different forms of nls recommendations

2010-03-21 Thread Bernardo Rangel Tura
On Sat, 2010-03-20 at 14:55 -0800, emorway wrote: Hello, Using this data: http://n4.nabble.com/file/n1676330/US_Final_Values.txt US_Final_Values.txt and the following code i got the image at the end of this message: US.final.values-read.table(c:/tmp/US_Final_Values.txt,header=T,sep= )

[R] different forms of nls recommendations

2010-03-20 Thread emorway
Hello, Using this data: http://n4.nabble.com/file/n1676330/US_Final_Values.txt US_Final_Values.txt and the following code i got the image at the end of this message: US.final.values-read.table(c:/tmp/US_Final_Values.txt,header=T,sep= )