Format
The data are in the format of igraph object.
IGRAPH UN-- 49 109 --
+ attr: name (v/c), white.pop (v/n), black.pop (v/n), white.poverty (v/n), black.poverty (v/n), coor.x (v/n), coor.y (v/n)Details
The vertex attributes including
name: US state names; white.pop: white people population size for each state;
black.pop: black people population size for each state;
white.poverty: number of white people under the poverty line for each state;
black.poverty: number of black people under the poverty line for each state;
coor.x: longitudes of state centres; coor.y: latitudes of state centres.