polytobg {AIGIS} | R Documentation |
Each row corresponds to a block group polygon, and contains information to identify the corresponding block group, by index in bgvals
as well as Logical Record Number, County ID, Block, and Group number.
data(polytobg)
A data frame with 22195 observations on the following 5 variables.
bg-index
bgvals
of the corresponding block groupLRN
county
block
group
US Census Summary File 3 Documentation http://www.census.gov/prod/cen2000/doc/sf3.pdf
data(polytobg)