Re: [R] How to sample x-y coordinates from GIS files

From: halldor bjornsson <halldor.bjornsson_at_gmail.com>
Date: Wed 06 Jul 2005 - 22:42:55 EST

Check out the maptools package.
It allows you to read ESRI shapefiles.

On 7/6/05, Kum-Hoe Hwang <phdhwang@gmail.com> wrote:
> Hi Gurus!
> I have a job that is to get randomly samples from point-based GIS data (sp
> called shape GIS files) under the total sum resctricted.
> For example, I would like to take random smaples under the 1000 persons in
> each city.
> The randomly sampled persons should not be over 1000 any case.
> Thank you in advance,
>
> --
> Kum-Hoe Hwang, Ph.D.
>
> Phone : 82-31-250-3283
> Email : phdhwang@gmail.com
>
> [[alternative HTML version deleted]]
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Jul 06 22:46:21 2005

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