R help - Nov 1999 - can't read datasets from MASS library

Hello R users,
Sorry if this is a dumb question but I'm new to R under Windows (NT) and
I can't access datasets from V&R's MASS library :
> library(MASS)
> attach(UScrime)
Error: Object "UScrime" not found
> ls()
character(0)

but I get all the functions...Have I missed something ?
Any help would be appreciated. Thanks,
    Mathieu

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Mathieu Ros - 13 rue b?vi?re - 38000 GRENOBLE - 04 76 491 370
http://www.multimania.com/mathieuros/index2.html
DESS ing?nierie math?matique (biostatistiques)
Universite Joseph Fourier, Grenoble
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On Mon, 8 Nov 1999, ros mathieu wrote:
> Hello R users,
> Sorry if this is a dumb question but I'm new to R under Windows (NT)
and
> I can't access datasets from V&R's MASS library :
> 
> > library(MASS)
> > attach(UScrime)
> Error: Object "UScrime" not found
> > ls()
> character(0)
> 
> but I get all the functions...Have I missed something ?
You use the data() function to load datasets. 

	> library(MASS)
	> data(UScrime)
	> attach(UScrime)


Having explicit loading of data reduces the competition for both memory
and the namespace.

   -thomas

Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle	

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