[R] Define a glm object with user-defined coefficients (logistic regression, family="binomial")
Jürgen Biedermann
juergen.biedermann at googlemail.com
Sat Nov 13 13:43:01 CET 2010
Hi there,
I just don't find the solution on the following problem. :(
Suppose I have a dataframe with two predictor variables (x1,x2) and one
depend binary variable (y). How is it possible to define a glm object
(family="binomial") with a user defined logistic function like p(y) =
exp(a + c1*x1 + c2*x2) where c1,c2 are the coefficents which I define.
So I would like to do no fitting of the coefficients. Still, I would
like to define a GLM object because I could then easily use other
functions which need a glm object as argument (e.g. I could use the
anova, summary functions).
Thank you very much! Greetings
Jürgen
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Jürgen Biedermann
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