[R] Installing lme4 package in Windows Vista

[ONKELINX, Thierry]

Dear Angela,

lme() is a part of the nlme package. The lme4 package has the function
lmer() which is the equivalent of lme() from nlme. Both function differ
in their capabilities. Briefly: lmer() can (easly) do crossed random
effects and GLMM, lme() can handle variance and correlation structures.

HTH,

Thierry

PS Don't for get that you need to load a package before using it! Just
installing it is not sufficient.

library(lme4)
?lmer

library(nlme)
?lme


------------------------------------------------------------------------
----
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature
and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
Belgium
tel. + 32 54/436 185
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 Angela Radulescu
Verzonden: woensdag 29 juli 2009 1:48
Aan: r-help at r-project.org
Onderwerp: [R] Installing lme4 package in Windows Vista


Hi all,

I have a problem with package installing in Windows, on my PC machine.
The end goal is to be able to use the lme() function. Here's what I did
so far: 

> install.packages("lme4")
Warning in install.packages("lme4") :
  argument 'lib' is missing: using
'C:\Users\Angela\Documents/R/win-library/2.9'
--- Please select a CRAN mirror for use in this session --- trying URL
'http://cran.cnr.Berkeley.edu/bin/windows/contrib/2.9/lme4_0.999375-31.z
ip'
Content type 'application/zip' length 1140865 bytes (1.1 Mb) opened URL
downloaded 1.1 Mb

package 'lme4' successfully unpacked and MD5 sums checked

The downloaded packages are in

C:\Users\Angela\AppData\Local\Temp\Rtmp1t8vjT\downloaded_packages
updating HTML package descriptions
Warning message:
In file.create(f.tg) :
  cannot create file 'C:\PROGRA~1\R\R-29~1.1/doc/html/packages.html',
reason 'Permission denied'

I had to change permissions on some of the "library" folder before this.
Still, after installation, R cannot find the "lme" function of interest.


> lme
Error: object 'lme' not found

Does anyone know why this is happening, and what the solution to the
problem is? 

Many thanks,
Angela
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