Hello to everyone.
I need your help. I´m trying to fit the same *glm.nb* to a different data
set and i am getting these errors in some of the data. Sometimes, one data
set has two of these errors when fitting the model.

1.- Error en while ((it <- it + 1) < limit && abs(del) > eps) { :

  valor ausente donde TRUE/FALSE es necesario


2.- Mensajes de aviso perdidos

1: In sqrt(1/i) : Se han producido NaNs2: In sqrt(1/i) : Se han producido NaNs


3.- glm.fit: fitted rates numerically 0 occurred


4.- glm.fit : algorithm did not converge


5.- Error: no valid set of coefficients has been found: please supply
starting values


6.- Error en glm.fitter(x = X, y = Y, w = w, etastart = eta, offset =
offset,  :

  NA/NaN/Inf en llamada a una función externa (arg 1)


I don´t know why i have this errors. If someone could help me to
understand what´s going on i would appreciate.


thank you.

	[[alternative HTML version deleted]]

