[R] Warning message

From: F Monadjemi <stp02fm_at_sheffield.ac.uk>
Date: Fri 07 Jul 2006 - 00:16:53 EST

Dear reader,

I am trying to simulate 1000 data from nonlinear model in order to be able to do
mixed effect analysis. If the program works but give you following warning message, what should I do? Can I still accept the result, which is about the precision of model parameter estimation?

FALSE CONVERGENCE. in: ms( ~ - logLik(nlmeSt, nlmePars), start = list(nlmePars =

        c(coef(nlmeSt))), control = ....
SINGULAR CONVERGENCE. in: ms( ~ - logLik(nlmeSt, nlmePars), start = list(nlmePars =

        c(coef(nlmeSt))), control = ....

Thanks

Farinaz



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