Have you tried making mydata2$Dose the same length as everything else?
spencer graves
Patrick Giraudoux wrote:
Well, right, Dose was indeed in the global environment and not in the
data.frame. Changing it with
mydata2$Dose-100 # the real dose at the beginning of the
Dear listers,
I am trying to fit a model using nlsList() using alternately a SSfol()
selfstart function or its developped equivalent formulae.
This preliminary trial works well
mydata-groupedData(Conc~Tps|Organ,data=mydata)
mymod1-nls(Conc~SSfol(Dose,Tps,lKe,lKa,lCl),data=mydata)
as well as a