[R] Why lmer() is not working, altough lme4 is installed?

[Henric Nilsson]

On On, 2005-12-21, 12:51, Petar Milin skrev:

> I have installed lme4 library, but when I try something with lmer()
> function, I receive error message. On the other hand, I can use lme()
> function from the same library. Are those two the very same function or
> not? I am a bit confused.

At least in recent versions of the lme4 package there's no `lme' function,
and in fact there's no fitting functions for (G)LMMs whatsoever. These
have been transfered to the Matrix package during the development process
-- the function you're looking for is called `lmer'.

>From below, your R installation is seriously outdated. Matrix need R >=
2.2.0, so you must update (which is a good idea, anyway!).


HTH,
Henric


> I am using:
> $platform: "i386-pc-linux-gnu"
> $arch: "i386"
> $os: "linux-gnu"
> $system: "i386, linux-gnu"
>
> $major: "2"
> $minor: "0.1"
> $year: "2004"
> $month: "11"
> $day: "15"
>
> Sincerely,
> Petar Milin
> Assistant Professor
> Department of Psychology
> University of Novi Sad
> Serbia and Montenegro
>
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