You may want to use the state.vbm data from the TeachingDemos package (along with the maptools package), see the examples and help file for state.vbm.
Hope this helps, -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Donald Braman > Sent: Thursday, July 02, 2009 7:12 PM > To: r-help > Subject: [R] mapping states with colors > > Hi folks, > I'm just learning how to use maps. As an initial foray, I'm mapping > the > states that have "duty to retreat" (blue) and "stand your ground" (red) > self-defense standards. Here is my extremely naive script: > > dtr <- c('alabama', 'arizona', 'conneticut', 'delaware', 'dist of > columbia' > , 'hawaii', 'maryland', 'massachusetts', 'minnesota', 'missouri', > 'nebraska' > , 'new hampshire', 'new jersey', 'new mexico', 'new york', 'north > carolina' > , 'north dakota', 'ohio', 'pennsylvania', 'rhode island', 'virginia', > 'wyoming', 'arkansas', 'vermont') > > > syg <- c( 'alaska', 'california', 'colorado', 'florida', 'georgia', > 'idaho' > , 'illinois', 'indiana', 'iowa', 'kansas', 'kentucky', 'louisiana', > 'maine' > , 'michigan', 'mississippi', 'montana', 'nevada', 'oklahoma', 'oregon', > 'south > carolina', 'south dakota', 'tennessee', 'texas', 'utah', 'washington', > 'west > va', 'wisconsin') > > > map('state', proj='bonne', param=50, > > region = c(syg, dtr), > > fill=TRUE, > > col=c('red', 'blue')) > > Obviously that doesn't work. A couple questions: > > 1. How do I get Alaska & Hawaii on the map? > 2. How to I set the col atttribute for a subset of the states I'm > mapping? > > Many thanks in advance for any help! > > Don > > Donald Braman > http://www.culturalcognition.net > http://ssrn.com/author=286206 > http://www.law.gwu.edu/Faculty/profile.aspx?id=10123 > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@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. ______________________________________________ R-help@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.
