choroplethr (version 3.7.3)

get_county_demographics: Get a handful of demographic variables on US Counties from the US Census Bureau as a data.frame.

Description

The data comes from the American Community Survey (ACS). The variables are: total population, percent White not Hispanic, Percent Black or African American not Hispanic, percent Asian not Hispanic, percent Hispanic all races, per-capita income, median rent and median age.

Usage

get_county_demographics(endyear = 2013, span = 5)

Arguments

endyear

The end year for the survey

span

The span of the survey

References

The choroplethr guide to Census data: http://www.arilamstein.com/open-source/choroplethr/mapping-us-census-data/

A list of all ACS Surveys: http://factfinder.census.gov/faces/affhelp/jsf/pages/metadata.xhtml?lang=en&type=survey&id=survey.en.ACS_ACS

Examples

if (FALSE) {
# get some demographic data on US counties from the 2010 5-year ACS
df = get_county_demographics(endyear=2010, span=5)
colnames(df)

# analyze the percent of people who are white not hispanic
# a boxplot shows the distribution
boxplot(df$percent_white)

# a choropleth map shows the location of the values
# set the 'value' column to be the column we want to render
df$value = df$percent_white
county_choropleth(df)
}