[R-sig-ME] Multiple comparisons with interaction

ONKELINX, Thierry Thierry.ONKELINX at inbo.be
Mon Dec 22 09:06:54 CET 2014

Interaction() has no data argument. Try interaction(aag$rec, aag$mês, drop = TRUE) or with(aag(interaction(rec, mês, drop = TRUE))

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
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Thierry.Onkelinx op 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-sig-mixed-models [mailto:r-sig-mixed-models-bounces op r-project.org] Namens Mayara Amescua
Verzonden: zondag 21 december 2014 0:07
Aan: r-sig-mixed-models op r-project.org
Onderwerp: [R-sig-ME] Multiple comparisons with interaction

Hi everyone,

I'd like to do a multiple comparisons for a interaction between variables and I tried to create a new variable to use in the glmer model.


But I got this message. I've tried to follow some texthelpers but nothing worked.

Error in sort.list(y) : 'x' must be atomic for 'sort.list'

Have you called 'sort' on a list?

Does someone could help me how to solve it?

Let me know if you need more information.



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