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bcows
2007 Jul 07
0
Error Coefficient matrix not invertible using nlme correlation
Hi,
I am learning R. I am using nlme function to my dataset. I am getting error
"Coefficient matrix not invertible". I don't know how to fix this problem.
> bcows1.nlme<-nlme(Temp~model(newTime, beta, delta, kappa), data=
bcows.group,
+ fixed=beta+delta+kappa~1,
+ random=beta+delta+kappa~1,
+ start=list(fixed=c(coef(bcows.nls)[1], coef(bcows.nls)[2],
coef(bcows.nls)[3])))
> bcows2.nlme<-update(bcows1.nlme, c...