>
> Hi,
>
> I'm not yet familar with GLM and still learning.
> How can I perform a BNL (to estimate LDp values) with matrixes like this
> (N indicates the observed objects):
>
> data from:
> Kerr D, Meador J. 1996. "Modeling Dose Response Using Generalized
Linear
> Models". Environ Toxicol Chem 15(3)
>
> conc respond n
> 0 0 20
> 0 1 19
> 0 1 20
> 0 0 20
> 13.5 5 23
> 13.5 2 20
> 29 9 20
> 29 6 20
> 53 12 20
> 53 15 20
> 85 19 20
> 85 18 20
> 110 18 18
> 110 18 18
>
> The bnlr{gnlm} documentation talks about a two column matrix as input.
The two column matrix would be created by
cbind(n,n-respond)
However, if you are using standard linear logistic or probit models, I
would strongly recommend using glm in R rather than bnlr in my gnlm
library.
Jim
>
> Thanks for any help
> Jens
>
> --
> Jens Schmidt TU Dresden -Inst. f. Hydrobiologie-
> Tel. +49-(0)351-463-6915 Mommsenstrasse 13
> Fax +49-(0)351-463-7108 01062 Dresden
>
>
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