Good morning,
I am using R to try to model the proportion of burned area in Portugal.
The dependent variable is the proportion. The family used is binomial
and the epsilon would be binary.
I am not able to find the package to be used when the proportion (%) has
to be used in glm. Could someone help me?
I am using normal commands of glm.. for example:
glm_5<- glm(formula=p~Precipitation, family=binomial(link=logit),
data=dados)
where p is the proportion of burned area, but this error message apperars:
Warning message:
non-integer #successes in a binomial glm! in: eval(expr, envir, enclos)
That is why I think I am not using the proper glm package.
Thank you very much in advance.
Jordi
--
______________________________________________________________________
Jordi Garcia-Gonzalo
FORCHANGE - Forest Ecosystem Management Under Global Change
Departamento de Engenharia Florestal - Instituto Superior de Agronomia
Universidade Técnica de Lisboa
Tapada da Ajuda, 1349-017 Lisboa
Portugal
tel: +351 21 365 33 66
fax: +351 21 364 50 00
email:[EMAIL PROTECTED]
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