Manuel Morales wrote:
>
> I'm trying to fit a model like beta[trt]/(1+alpha*x) where the data
> include some grouping factor. The problem is that the estimate for alpha
> is undefined for some of the treatments - any value greater than 20 is
> equally good and a step function would suffice. Ign
Hello list,
I'm trying to fit a model like beta[trt]/(1+alpha*x) where the data
include some grouping factor. The problem is that the estimate for alpha
is undefined for some of the treatments - any value greater than 20 is
equally good and a step function would suffice. Ignoring the grouping
stru
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