Hello,

I am a new R-user.  I have a Mac OS.X 10.6.8.  I have downloaded R version
2.13.2 (2011-09-30) onto my computer and been able to use basic stats
function.   Now I want to use the geepack package and when I try to load it
using library(geepack), it says I have to load these dependencies.
 Apparently, some of these packages successfully loaded but some were not
(doBy and lme4).  The doBy needs the snow package which R says I don't have,
and I don't also have lme4 package.   I'm wondering why there's so much
trouble trying to load this geepack.  What is the primary problem behind
this?

Thank you for your help.




> library(geepack)
Loading required package: doBy
Loading required package: survival
Loading required package: splines
Loading required package: R2HTML
Loading required package: multcomp
Loading required package: mvtnorm
Loading required package: lme4
Loading required package: Matrix
Loading required package: lattice

Attaching package: 'Matrix'

The following object(s) are masked from 'package:base':

    det

Error in dyn.load(file, DLLpath = DLLpath, ...) :
  function 'cholmod_l_start' not provided by package 'Matrix'
Error: package 'lme4' could not be loaded

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