Em 2/3/2011 08:01, Jürg Schulze escreveu:
Hello everybody
This is not a R related problem, but rather more theoretic one, anyway:
I want to compare the proportions of germinated seeds (seed batches of
size 10) of three plant types (1,2,3) with a glm with binomial data
(following the method i
The algorithm is not converging. Your iterations are at the maximum.
It won't do any good to add a fractional number
to all data, as the result will depend on the
number added (try 1.0, 0.5 and 0.1 to see this).
The root problem is that your data are
degenerate. Firstly, your types '2' and '
Hello everybody
I want to compare the proportions of germinated seeds (seed batches of
size 10) of three plant types (1,2,3) with a glm with binomial data
(following the method in Crawley: Statistics,an introduction using R,
p.247).
The problem seems to be that in two plant types (2,3) all
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