[R] Problem with package sem

[John Fox]

Dear Gang Chen,

I expect that either you didn't install the package properly (see
?install.packages) or installed a version of the package for an earlier
version of R.

I hope this helps,
 John

On Wed, 28 Jun 2006 17:14:10 -0400
 Gang Chen <gangchen at mail.nih.gov> wrote:
> Hi experts,
> 
> I just started to learn R today, and tried to work with an add-on  
> package sem. I have a version of 2.3.1 on MacOS X 10.4.6 with sem put
>  
> under /Library/Frameworks/R.framework/Versions/2.3/Resources/library
> 
> However when I typed
> 
> library(sem)
> 
> the following error showed up:
> 
> Error in library(sem) : 'sem' is not a valid package -- installed <  
> 2.0.0?
> 
> Why is this?
> 
> Thank you,
> Gang Chen
> 
> 
> 	[[alternative HTML version deleted]]
> 
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--------------------------------
John Fox
Department of Sociology
McMaster University
Hamilton, Ontario, Canada
http://socserv.mcmaster.ca/jfox/