[R] glm.fit: fitted probabilities numerically 0 or 1 occurred for a continuous variable?

Nwinters nicholas.winters at mail.mcgill.ca
Mon Jun 16 21:34:44 CEST 2014

I have gotten the this error before: "glm.fit: fitted probabilities
numerically 0 or 1 occurred"

and the problem was usually solved by combining one or more categories were
there were no observations.

I am now having this error show up for a variable that is continuous (not

What could be the cause of this for a continuous variable??


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