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heat map - how to import a graphic?
3 messages · alison korte, Bert Gunter, David Winsemius
I suggest you post this on the R-sig-Geo list rather than here. -- Bert
On Mon, Nov 28, 2011 at 10:22 AM, alison korte <amingkorte at yahoo.com> wrote:
If I want to create a heat map where I have a graphic of a US State with county borders, how do I import and work with the graphic image? The reason I would like to use?R is so?I can?then define color parameters and quickly produce heat maps?that correspond to?various data?in dataframes. Thanks. Alison ? ? ? ?[[alternative HTML version deleted]]
______________________________________________ R-help at r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
On Nov 28, 2011, at 1:22 PM, alison korte wrote:
If I want to create a heat map where I have a graphic of a US State with county borders, how do I import and work with the graphic image? The reason I would like to use R is so I can then define color parameters and quickly produce heat maps that correspond to various data in dataframes.
You should be searching on the term "choropleth map". Or to give google better directions use: choropleth map r:language The are quite a few examples in the archives, on the web, and in various geospatial packages. Happy searching.
David Winsemius, MD West Hartford, CT