[R] Warnings

[Ronaldo Reis Jr.]

Hi all,
I have making an analysis and I received a warning.

> m1 <- 
glm.nb(Ind~Marac+I(Marac^2)+Lant+I(Lant^2)+Part+I(Part^2)+Sp+Sexo+Marac:Sp+Lant:Sp+Part:Sp+Marac:Sexo+Lant:Sexo+Part:Sexo, 
maxit=1000) 
Warning message:  
fitted rates numerically 0 occurred in: glm.fitter(x = X, y = Y, w = 
w, etastart = start, offset = offset,

Marac is a continuous variable.
Lant is a continuous variable.
Part is a continuous variable.
Sp is categorical.
Sexo is categorical.

What it is??

Thanks
Ronaldo

-- 
Mas por fora que cotovelo de caminhoneiro.
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