weihong wrote:
> Can GLMM take formula derived from another object?
>
> foo <- glm (OVEN ~ h + h2, poisson, dataset)
>
> # ok
> bar <- GLMM (OVEN ~ h + h2, poisson, dataset, random = list (yr = ~1))
>
> #error
> bar <- GLMM (foo$formula, poisson, dataset, random = list (yr = ~1))
> #Error in foo$("formula" + yr + 1) : invalid subscript type
That won't work without some tweaking of the GLMM function. In the
0.95-1 and later versions of the lme4 package the capabilities of GLMM
have been folded in to the lmer function and you would need to fit that
model as
lmer(OVEN ~ h + h2 + (1|yr), dataset, poisson)
anyway.
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