Re: [R] aggregate example : where is the state.region variable?

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Tue 22 Aug 2006 - 05:51:53 EST

On Mon, 21 Aug 2006, John Kane wrote:

> I was looking ?aggregate and ran the first example
>
> aggregate(state.x77, list(Region = state.region),
> mean)
>
> The variables in state.x77 appear to be :
> > state.x77
> Population Income Illiteracy Life Exp Murder HS Grad
> Frost Area
>
> Where is the "state.region" variable coming from?

> find("state.region")

[1] "package:datasets"

Try ?state.region for more info.

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Tue Aug 22 07:06:48 2006

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