[acs-r] ACS tables that deal with race

Wed Apr 1 19:35:53 EDT 2015

Hello,

I am a bit confused by the ACS tables that deal with race.  For reference,
I am currently working with the 2011 5 year ACS tables which are listed here
<http://factfinder.census.gov/faces/affhelp/jsf/pages/metadata.xhtml?lang=en&type=dataset&id=dataset.en.ACS_11_5YR>,
and I am trying to get data on ZCTAs. My goal is to create choropleth maps
of San Francisco that show key demographic information.

Table B02008 is listed as WHITE ALONE OR IN COMBINATION WITH ONE OR MORE
OTHER RACES but it returns a count of people, not a percentage of the total
population. There seem to be various "G" tables that give the percentage of
people who are white alone (e.g. GCT0201), but a) none of those geographic
units are ZCTAs and b) IIRC acs.r cannot retrieve tables that start with a
G.

Presumably I could just divide those numbers by the result of table B00001
(UNWEIGHTED SAMPLE COUNT OF THE POPULATION ) or B01003 (TOTAL POPULATION ),
but I'm not sure what the difference is between those two tables are. Can
someone give me some pointers?

Thanks.

Ari
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