Many thanks Ivan ! This is fairly clear to me, now... When I dumped the
data.frame, I found strange to have a "table" declaration for deg, but
was not able to judge if it was a problem or not (I would have expected
something as "numeric")
Your workaround is fine to me (I do not need to carry on
On Fri, 21 Apr 2023 09:02:37 +0200
Patrick Giraudoux wrote:
> I meet an error with glm.nb that I cannot explain the origin (and
> find a fix). The model I want to fit is the following:
>
> library(MASS)
>
> glm.nb(deg~offset(log(durobs))+zone,data=db)
>
> and the data.frame is dumped below.
T
Dear Listers,
I meet an error with glm.nb that I cannot explain the origin (and find a
fix). The model I want to fit is the following:
library(MASS)
glm.nb(deg~offset(log(durobs))+zone,data=db)
and the data.frame is dumped below.
Has anyone an idea about what the trouble comes from ? (except
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