[R-sig-ME] using a continuous-valued variable as fixed effect
Francesco Sigona
francesco.sigona at unisalento.it
Mon Sep 21 13:55:50 CEST 2015
Hi all,
I'm a newbie with linear mixed model.
I just would like to know if it is possible to use one or more variables
assuming values in a continuous range (e.g. a frequency values in Hz) as
fixed effects, in a linear mixed model, possibly together with (or
without) categorical (binary) effects, using lmer4 package.
In case: how to do it and how to read the results, in terms of
statistical significance?
Can anyone explain if in this case mixed models are actually different
from a simple (multiple) linear regression?
Why should mixed models be preferred to linear regression in this case?
Thank you in advance.
Francesco
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*Francesco SIGONA*
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tel.: +39 0832 335006
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*Center for Interdisciplinary Research on Language (CRIL)
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Cognitive Neuroscience of Language and Speech Sciences Lab (CNLSS) *
*Dipartimento di Studi umanistici
Università del Salento *
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