[R] Introduction to maps (of Denmark)?
kingsfordjones at gmail.com
Fri Feb 6 23:47:28 CET 2009
Also, see this page for more ideas on mapping an auxiliary variable by county:
(e.g. plots 9, 14, 15 and 21)
On Fri, Feb 6, 2009 at 3:22 PM, Greg Snow <Greg.Snow at imail.org> wrote:
> Googling for Denmark Shapefile leads to this website: http://www.vdstech.com/map_data.htm
> Where a few clicks lead to downloading a set of shapefiles (different levels of subdividing the country, hopefully you know more about what they correspond to than I do, about all I know about Denmark is from Hamlet, the fact that I have some ancestors from there (but I don't remember which branch), and how to make aebleskivers).
> These can be read into R using the maptools package as:
> dmk1 <- readShapePoly('g:/downloads/DNK_adm/DNK0')
> dmk2 <- readShapePoly('g:/downloads/DNK_adm/DNK1')
> dmk3 <- readShapePoly('g:/downloads/DNK_adm/DNK2')
> simple plots can be done like:
> a little more complex with:
> plot(dmk3, col=topo.colors(248))
> though of course replacing topo.colors(248) with something that is meaningful. If you need more control, then see the sp package.
> Hope this helps,
> Gregory (Greg) L. Snow Ph.D.
> Statistical Data Center
> Intermountain Healthcare
> greg.snow at imail.org
>> -----Original Message-----
>> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
>> project.org] On Behalf Of Peter Jepsen
>> Sent: Friday, February 06, 2009 1:18 PM
>> To: r-help at r-project.org
>> Subject: [R] Introduction to maps (of Denmark)?
>> Dear R-listers,
>> I am using R for Windows Vista 64-bit. I have no experience working
>> maps, but now I have to plot a map of Denmark in which each Danish
>> county is color-coded according to its incidence rate of a particular
>> disease. My problem is that I don't know where to start. I have read
>> help files to packages like 'mapplot', and their examples indicate that
>> I am on the right track, but where do I find a suitably detailed map of
>> Denmark, and which format should I prefer? The terminology in the help
>> files etc. is overwhelming.
>> Thank you in advance for any help.
>> Best regards,
>> R version 2.8.1 (2008-12-22)
>> attached base packages:
>>  stats graphics grDevices utils datasets methods base
>> R-help at r-project.org mailing list
>> PLEASE do read the posting guide http://www.R-project.org/posting-
>> and provide commented, minimal, self-contained, reproducible code.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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