[R] (Fwd) Re: goodfit macro

Achim Zeileis zeileis at ci.tuwien.ac.at
Tue Sep 23 17:26:28 CEST 2003

On Tuesday 23 September 2003 16:38, Michael Shott wrote:

> Dear R-Help:
> As you can see, Prof. Friendly refers me to your site for an
> executable version of vcd.  I don't mean to be obtuse, but 15
> minutes spent exploring your site failed to locate a downloadable
> version of the vcd package to which he referred.
> I know plainly what this application can do.  What I need to know is
> how to obtain the application itself.


you need to install the R system first and then the add-on package vcd.
If you look at 
there are some manuals and the FAQ which will tell you how to obtain 
and install R on your operating system. Having done that you can 
install the package "vcd" which is also covered in the documentation I 
mentioned above.
Both R itself and the vcd package can be downloaded from


> My thanks in advance for any help you can provide.
> MS
> ------- Forwarded message follows -------
> Date sent:      	Tue, 23 Sep 2003 09:14:28 -0400
> From:           	Michael Friendly <friendly at yorku.ca>
> Subject:        	Re: goodfit macro
> To:             	shott at csbs.csbs.uni.edu
> Send reply to:  	friendly at yorku.ca
> Organization:   	York University
> You can also carry out goodness of fit tests using the function
> goodfit in the vcd package
> for R (a free version of S/Splus),
> http://www.r-project.org
> -Michael
> Michael Shott wrote:
> >Dear Michael:
> >
> >Recently I searched the web for guidance in gauging the
> > goodness-of- fit of frequency data to statistical models.  Your
> > website came up in virtually every combination of keywords
> > searched in Google.  The site describes the goodfit.sas macro,
> > which seems to do exactly what I'd like.  But it seems to be
> > available only as a .sas file.  Do you have some application file
> > that can be downloaded and used?
> >
> >I ask because I'd like to analyze some archaeological data.  They
> > are frequency distributions of the number of a particular artifact
> > type by site.  That is, x sites may have 1 occurrence, y sites may
> > have 2 occurrences, z sites 3 occurrences and so on.  Your goodfit
> > macro seems to do the job, but I can't execute it from the .sas
> > version that appears on your website's ftp link.
> >
> >Thanks for any help that you can provide.
> >
> >Best,
> >
> >Mike Shott
> >
> >Michael J. Shott
> >Professor
> >Dept. of Sociology, Anthropology & Criminology
> >University of Northern Iowa
> >Cedar Falls, IA 50614-0513
> >319/273-7337

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