J, For at least one combination of Aeventexhumed:HTL:Sector Shell is either 0 or equal to TotalEggs.
Best regards, ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance Kliniekstraat 25 1070 Anderlecht Belgium + 32 2 525 02 51 + 32 54 43 61 85 thierry.onkel...@inbo.be www.inbo.be To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey -----Oorspronkelijk bericht----- Van: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Namens Jhope Verzonden: dinsdag 24 januari 2012 9:53 Aan: r-help@r-project.org Onderwerp: [R] 3 variables - GLM -- Warning Message ? Hi , I am trying to do a 3 variable interaction and received this warning message. Can someone please interpret? Model31.glm <- glm(cbind(Shells, TotalEggs-Shells) ~ Aeventexhumed:HTL:Sector, data=data.to.analyze, family = binomial) Warning message: glm.fit: fitted probabilities numerically 0 or 1 occurred Thanks, J -- View this message in context: http://r.789695.n4.nabble.com/3-variables-GLM-Warning-Message-tp4323222p4323222.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
