california.tract10 {RapidPolygonLookup} | R Documentation |
Census Tract spatial polygons for the state of California
Description
Object of class SpatialPolygonsDataFrame containing spatial polygons of Census tracts in California. The object has been originally created from the 2010 US Census tiger/line boundary files (http://www.census.gov/geo/www/tiger/) for Census Tracts. The polygons have been manually cropped to the area in and around San Francisco.
Usage
data(california.tract10)
Format
An object of class SpatialPolygonsDataFrame from the sp package
data
data frame containing information for 457 variables (excluding ids) available from the summary file 1
polygons
polygons of Census Tracts
plotOrder
plotting order of polygons
bbox
bounding box of spatial polygons
proj4string
projection of polygons. All polygons are projected in CRS(" +proj=longlat +ellps=GRS80 +datum=NAD83 +no_defs +towgs84=0,0,0")
Details
For details on the summary variables present in the data frame please refer
http://www.census.gov/prod/cen2000/doc/sf1.pdf
Source
http://cran.r-project.org/web/packages/UScensus2010/index.html
References
Zack W. Almquist (2010). US Census Spatial and Demographic Data in R: The UScensus2000 Suite of Packages. Journal of Statistical Software, 37(6), 1-31. URL http://www.jstatsoft.org/v37/i06/ http://www.census.gov/prod/cen2000/doc/sf1.pdf
Examples
data(california.tract10, envir = environment())
plot(california.tract10)