Description Usage Arguments Value References See Also Examples
Creates a choropleth of Utah Census Tracts the US Census' American Community Survey (ACS) data. Requires the acs package to be installed, and a Census API Key to be set with the acs's api.key.install function. Census API keys can be obtained at http://www.census.gov/developers/tos/key_request.html.
1 2 | ut_tract_choropleth_acs(tableId, endyear = 2013, span = 5, num_colors = 7,
tract_zoom = NULL, county_zoom = NULL)
|
tableId |
The id of an ACS table |
endyear |
The end year of the survey to use. See acs.fetch (?acs.fetch) and http://1.usa.gov/1geFSSj for details. |
span |
The span of time to use. See acs.fetch and http://1.usa.gov/1geFSSj for details. |
num_colors |
The number of colors on the map. A value of 1 will use a continuous scale. A value in [2, 9] will use that many colors. |
tract_zoom |
An optional list of states to zoom in on. Must come from the "region" column in ?ca.tract.regions. |
county_zoom |
An optional list of counties to zoom in on. Must match entries of the county.fips.numeric column of ?ca.tract.regions. |
A choropleth.
The choroplethr guide to Census data: http://cran.r-project.org/web/packages/choroplethr/vignettes/e-mapping-us-census-data.html
Uses the acs package created by Ezra Haber Glenn.
api.key.install
in the acs package which sets an Census API key for the acs library
1 2 3 4 5 6 7 8 | ## Not run:
# per capita income, salt lake (fips code 6075)
ut_tract_choropleth_acs("B19301", county_zoom=49035)
# aggregate public assistance income, salt lake
ut_tract_choropleth_acs("B19067", county_zoom=49035)
## End(Not run)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.