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theophyline
2002 Oct 04
1
gnls from library nlme
Dear all,
I am trying to gain some experience with the function gnls from the nlme
package.
I tried to model the Theophyline data by trying to model the presumed
dependency of
the clearance on the body weight.
This is my function call of gnls:
gnls(conc~SSfol(Dose,Time,lKe,lKa,lCl),data=Theoph,
params=list(lKe~1,lKa~1,lCl~Wt),start=c(-2.4,0.46,-3.22,0.01))
That's been the result:
Error in as.vector(x, mode) : c...