Figure 2.

Demographic features in Allegheny County synthetic population. (a)‚ÄČOverall population density in Allegheny County. (b)‚ÄČSpatial distribution by household size, age of householder, race of householder, and household income.

Grefenstette et al. BMC Public Health 2013 13:940   doi:10.1186/1471-2458-13-940
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