http://finzi.psych.upenn.edu/R/Rhelp02a/archive/29712.html This was the first message that I came across when searching the archives. From my limited experience I would think that you need to understand what you are doing rather than what R is doing. As the message explains R is flagging issues with your data.
Tom > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Tuesday, 11 January 2005 1:50 PM > To: [email protected] > Subject: [R] problem with fitted probability in glm > > > Good morning, > > Sorry to disturb you. > > I have a set of variable (not correlated) and with a stepwise > selection > procedure (step) on my multiple glm I obtain a result but > with a warning message > saying: > > fitted probabilities numerically 0 or 1 occurred in: > glm.fit(x[, jj, drop = > FALSE], y, wt, offset = object$offset, > > I try to understand what it means without success. Could you help me? > > Thanks > > Flavio Zanini > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
