[acs-r] ACS tables that deal with race

Thu Apr 2 16:26:17 EDT 2015

Thanks Mark.

I need to use zctas because I am creating a demo of my package which
visualizes zctas in R (https://github.com/arilamstein/choroplethrZip).

When I try to access 2013 data I get this warning:

library(acs)
zip_geo = geo.make(zip.code = "*")
data = acs.fetch(geography=zip_geo, table.number = "B03002", col.names =
"pretty", endyear = 2013, span = 5)

Warning messages:
1: In acs.fetch(geography = zip_geo, table.number = "B03002", col.names =
"pretty",  :
  As of the date of this version of the acs package
  Census API did not provides data for selected endyear

Is this warning spurious?

Thanks.

Ari

On Thu, Apr 2, 2015 at 9:17 AM, Corrales, Mark <Corrales.Mark at epa.gov>
wrote:

>
> I would suggest using newer data (2009-2013 is available), and consider
> using tracts (or even block groups) instead of zip codes/ZCTAs because they
> are more stable over time and can be rolled up into county totals, etc.
>
> As to which table, you might consider table B03002, which in one table
> gives you all the counts you need, from which you can calculate
> percentages, for these eight race/ethnicity groups (which add up to the
> total population):
>
> Hispanic or Latino
> Not Hispanic or Latino: White alone
> Not Hispanic or Latino: Black or African American alone
> Not Hispanic or Latino: American Indian and Alaska Native alone
> Not Hispanic or Latino: Asian alone
> Not Hispanic or Latino: Native Hawaiian and Other Pacific Islander alone
> Not Hispanic or Latino: Some other race alone
> Not Hispanic or Latino: Two or more races
>
> Just divide the count by the Total shown in that same table.
>
>
> http://factfinder.census.gov/faces/affhelp/jsf/pages/metadata.xhtml?lang=en&type=table&id=table.en.ACS_13_5YR_B03002#
>
>
>
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> Message: 1
> Date: Wed, 1 Apr 2015 16:35:53 -0700
> From: <arilamstein at gmail.com>
> Subject: [acs-r] ACS tables that deal with race
> To: acs-r <acs-r at mit.edu>
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>
> 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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