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On Jul 6, 2012, at 10:43 PM, Chenwei Gao <gaoch@umich.edu> wrote:

> Thank you so much Michael !!
> 
> But I got this message after I did as you tole me:
> 
> > install.packages("car")
> Installing package(s) into ‘/science/users/gaoch/R/x86_64-unknown-linux-gnu-library/2.14’
> (as ‘lib’ is unspecified)
> --- Please select a CRAN mirror for use in this session ---
> Loading Tcl/Tk interface ... done
> 

Hmmm... there might be something wrong on your tcl/tk setup, but I'm not really qualified to help with that.

For now, use chooseCRANmirror(graphics = FALSE) to get a text based approach to setting that session's CRAN mirror. I personally prefer text mirrors throughout, so I set options(menu.graphics = FALSE) in my .Rprofile. 

Best, 
Michael

> So a window should pop open to show a list of mirrors, right? But I've been waiting for over ten min, the prompt disappeared as well so I suppose it is still running.
> What's the problem??
> 
> Thanks,
> Chenwei
> 
> On Fri, Jul 6, 2012 at 11:08 PM, R. Michael Weylandt <michael.weylandt@gmail.com> wrote:
> Install.packages needs a quoted argument -- the error message suggests
> that its looking for a variable named `car` and not finding it -- in
> fact, most functions taking package names do, but library() allows
> some trickery, which is convenient, but occasionally leads to mishaps
> like this.
> 
> install.packages("car")
> 
> should work.
> 
> Best,
> Michael
> 
> On Fri, Jul 6, 2012 at 7:39 PM, Chenwei Gao <gaoch@umich.edu> wrote:
> > I got this error when I tried to install the package in order to use the
> > "logit"(logit transformation) function on linux.
> >
> >> install.packages(car)
> > Error in install.packages(car) : object 'car' not found
> >
> > I was using the Terminal in my macbook accessing the server in the lab. I
> > could successfully using library(car) to install this package use R.app GUI
> > in my laptop, after loading MASS package.
> >
> >> library(MASS)
> >
> >> library(car)
> > Can someone told me why I cannot install the car package on linux and how
> > to solve this problem???
> >
> > Thanks a million!!
> > Chenwei
> >
> >         [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> 
> 
> 
> -- 
> Chenwei Gao
> 
> Master of Public Health Candidate, 2013
> 
> Department of Epidemiology
> 
> University of Michigan School of Public Health
> 
> Phone: (734) 604-8791
> 

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