[R] Algorithm did not converge

[John Fox]

Dear Laetitia,

At 11:04 AM 4/28/2003 -0500, Laine, Laetitia wrote:
>Help! Being a bit of a novice, please bear with me if this is a stupid
>question!
>
>I am trying to fit a saturated model to some count data that I have:
>
>model<-glm(COUNT~SP*LOC*COL*TIME*TREAT,poisson)
>
>but R keeps on crashing and coming up with (occasionally before crashing) an
>error that states:
>
>Algorithm did not converge in: (if(is.empty.model(mt)) glm.fit.null else
>glm.fit)(x = X, y = Y,
>
>What am I doing wrong?

Perhaps there's a 0 count in COUNT (which doesn't explain a crash but would 
explain lack of convergence).

I hope that this helps,
  John

____________________________
John Fox
Department of Sociology
McMaster University
email: jfox at mcmaster.ca
web: http://www.socsci.mcmaster.ca/jfox