[R] GLMM error message/reproducible example

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From: Matt Loveland (loveland.1@nd.edu)
Date: Fri 14 May 2004 - 02:41:12 EST


Message-id: <00bb01c43909$1a0d61b0$a3b74a81@loveland>

Hi,

I wrote yesterday about an error message I'm getting when I use GLMM from lme4 to do random effects modelling.

(I wanted to note that I've only just started to learn about random effects modelling and R, so am a novice at both, but R/lme4 have been great up to this hiccup)

I was asked to provide a reproducable example, so here is my try, using the guImmun data frame included with the package:

library(lme4)
     data(guImmun)

 fm1 = GLMM(immun ~ kid2p + mom25p + momWork,
               data = guImmun, family = binomial,
               random = ~1|mom)

  fm2 = GLMM(immun ~ kid2p + mom25p + momWork,
               data = guImmun, family = binomial,
               random = ~kid2p|mom)
**
fm1 produces output, and fm2 gives me the following error message:

        Error in "EMsteps<-"(`*tmp*`, value = control) :
              invalid source matrix

I'm using R 1.8.1

thanks for any feedback,

Matt
        [[alternative HTML version deleted]]

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