[R] gee, error=104

Michel Chavance chavance at vjf.inserm.fr
Wed Oct 10 16:17:15 CEST 2007

I am using gee to fit a log-linear marginal model to grouped data. I 
get sensible results unfortunately followed by this warning

Warning message:
Note: Cgee had an error (code= 104 ).  Results suspect. in: 
gee(formula = event ~ exgr + agegr + indiv + offset(loginterval),

Does anyone knows what is a code=104 error ?



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