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.Onkelinx at 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-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
Namens Jhope
Verzonden: dinsdag 24 januari 2012 9:53
Aan: r-help at 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
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