Re: [R] convergence error (lme) which depends on the version of nlme (?)

From: Dieter Menne <>
Date: Tue 13 Dec 2005 - 18:42:39 EST

Leo Gürtler <leog <at>> writes:

> hlm <- groupedData(laut ~ design | grpzugeh, data = imp.not.I)
> the grouped data object is located at and can be downloaded:
> 2) What is the cause of the convergence error which seems to depend on
> the built of R/nlme?

The optimization engine has in R 2.2.0 changed, with mixed results, see

In the short run, setting pnlsTol to a large value than the default worked for me sometimes. In the long run (hope I got Douglas Bates right) you could switch to lme4 which is work in progress, but currently it cannot handle your case.

Dieter mailing list PLEASE do read the posting guide! Received on Tue Dec 13 18:52:17 2005

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