R 2.5
windows XP
I am getting an error from glm() that I don't understand. Any help or
suggestions would be appreciated. N.B. 1<=AAMTCAREJ<=327900
> summary(data$AAMTCAREJ)
Min. 1st Qu. Median Mean 3rd Qu. Max.
1.0 404.3 1430.0 6567.0 5457.0 327900.0
> fitglm<-glm(AAMTCAREJ~sexcat+H_AGE+SmokeCat+InsuranceCat+MedicadeCat+
+ incomegrp+racecat+MARSTATJS+EdCat+bmiNewjohn,data=data,family=Gamma(link =
"inverse"))
Error: no valid set of coefficients has been found: please supply starting
values
In addition: Warning message:
NaNs produced in: log(x)
Thanks
John
John David Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number above prior to faxing)
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