[acs-r] ACS tables that deal with race
arilamstein@gmail.com
arilamstein at gmail.com
Tue Apr 7 12:43:05 EDT 2015
I thought that people might want to see the analysis that I wound up doing.
Thank you all for your help!
http://blog.revolutionanalytics.com/2015/04/exploring-san-francisco-with-choropleth.html
On Thu, Apr 2, 2015 at 2:13 PM, Ezra Haber Glenn <eglenn at mit.edu> wrote:
>
> Yes -- the warning is simply there because as of the most recent date
> of the package, the 2013 data wasn't available. If you run your code,
> you'll see that despite the warning, the data gets fetched. (This is
> why it is a warning and not an error, but I know it's confusing and
> will change in the next version.)
>
> --Ezra
>
> At Thu, 2 Apr 2015 13:26:17 -0700, arilamstein wrote:
> >
> > 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#
> >
> > -----Original Message-----
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> Behalf Of
> > acs-r-request at mit.edu
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> > 1. ACS tables that deal with race (arilamstein at gmail.com)
> >
> >
> ----------------------------------------------------------------------
> >
> > 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>
> > Message-ID:
> > <CAEO2ku+owU0nFvgthQzm0SG_Rwun0xN8jhiMC=
> 3miZkjbFMAhw at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > 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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>
> --
> Ezra Haber Glenn, AICP
> Department of Urban Studies and Planning
> Massachusetts Institute of Technology
> 77 Massachusetts Ave., Room 7-337
> Cambridge, MA 02139
> eglenn at mit.edu
> http://dusp.mit.edu/faculty/ezra-glenn |
> http://eglenn.scripts.mit.edu/citystate/
> 617.253.2024 (w)
> 617.721.7131 (c)
>
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