Displaying 1 result from an estimated 1 matches for "soybean1".
Did you mean:
soybean
2001 Jan 17
1
Pinheiro/Bates Soybean nlme failure
Dear Mixed Effect Friends,
Somehow, R(1021, Windows) seem to run differently from S Plus:
The soybean example from Pinheiro/Bates on page 290 fails
in R. (Soybean1 is Soybean with the NA and "critical" case
removed. Same procedure with full Soybean).
> fm1Soy.lis<-nlsList(weight~SSlogis(Time,Asym,xmid,scal),data=Soybean1)
> fm1Soy.nlme<-nlme(fm1Soy.lis)
Error: Singularity in backsolve at level 0, block 1
In addition: There were 50 or mo...