[R] us zipcode data map
Francisco J. Zagmutt
gerifalte28 at hotmail.com
Tue Jun 14 01:17:04 CEST 2005
The first hit in RSiteSearch("html") guides you to the package R2HTML. Take
a look at HTMLInsertGraph {R2HTML}. Try RSiteSearch("pdf") for pdf devices.
Hint: savePlot("MyPlot","pdf")
Cheers
Francisco
>From: Mike R <mike.rstat at gmail.com>
>Reply-To: r-help at stat.math.ethz.ch
>To: "Francisco J. Zagmutt" <gerifalte28 at hotmail.com>
>Subject: Re: [R] us zipcode data map
>Date: Mon, 13 Jun 2005 00:17:53 -0700
>
>On 6/12/05, Francisco J. Zagmutt <gerifalte28 at hotmail.com> wrote:
> > Not that I am aware of. Try library(help="maps") for a list of all the
> > functions in the library. Anyhow, I am not sure that a US map with
>zipcodes
> > will look very good/readable, unless you focus on a very small area
>(i.e.
> > county).
>
>Hi Francisco - the map dimensions are about 150x50 miles.
>
>But what i've learned is that a zipcode region has area=0 because
>a zipcode region is a group of street addresses. instead of a region,
>it is more like a tree.
>
>My current plan of action is to use readily available government
>ascii tables. From those tables, I can obtain a single latitude and
>longitude for each zipcode, and a government "estimate" of the
>"land area" in square miles.
>
>From there, it should be easy to display the data on one of the maps in
>the package that you recommended (thanks). If not, there are other
>options for the "base map".
>
>My new task (which I have not investigated yet) is to see if facilities
>exist in R to turn the X11 device into an HTML document with an
>html-map .... or into a PDF with hyperlinks.
>
>Cheers,
>Mike
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