[R] post-hoc t-tests, for lme / lmer models

Kay Cichini Kay.Cichini at uibk.ac.at
Fri May 7 12:17:35 CEST 2010


i searched archives for post-hocs on mixed models and wondered why the
method which intuitively came up to me as first, namely reordering the
levels of the fixed factors and to examine the t-statistics (my model
contains only categorical factors,  one with 2 and one with 4 levels),  does
not seem to be valid - at least i did not find any threads where it was
applied for such models.

can anyone give some advise on this?



Kay Cichini
Postgraduate student
Institute of Botany
Univ. of Innsbruck

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