Sorry if you got this message already. This is a good thing for those
who will be using ACS data.
http://gesg.gmu.edu/census
-P.
**************************************************************
Philip M. Hurvitz, PhD
Urban Form Lab | 1107 NE 45th Street, Suite 535 | Box 354802
University of Washington, Seattle, Washington 98195-4802, USA
[email protected] | http://gis.washington.edu/phurvitz
"What is essential is invisible to the eye." -de Saint-Exupéry
**************************************************************
-------- Original Message --------
Subject: [Cps-gis] ArcMap extension for mapping ACS reliability
Date: Tue, 17 May 2011 11:12:42 -0700
From: Babinski, Greg <[email protected]>
To: '[email protected]' <[email protected]>
FYI….*//*
*/-/**/g/**/reg /**/b/**/abinski/*
*From:*[email protected]
[mailto:[email protected]] *On Behalf Of
*Richard Lycan
*Sent:* Tuesday, May 17, 2011 11:03 AM
*To:* [email protected]
*Cc:* 'Charles Rynerson'; 'David W Wong'; [email protected]
*Subject:* [gis_info] ArcMap extension for mapping ACS reliability
David Wong at George Mason University recently released an extension
that facilitates the mapping of data from the American Community Survey
(ACS), particularly the mapping of the margin of error (MOE) for the
estimates. The project was funded by the U.S. Bureau of the Census. The
data for small geographies, such as census tracts and block groups, were
released earlier this year. Due to the smaller sample size for the ACS
compared to the 2000 Census long form data the MOE for these ACS data
are relatively larger. When presenting the ACS data for small
geographies on maps the cartographer should advise the viewer of the
reliability issues. David Wong’s extension provides assistance in doing
this. It also has good instructions that explain how to download the ACS
data and handles the joining of map and attribute data. The extension
and background on using ACS data may be downloaded at:
http://gesg.gmu.edu/census
Richard Lycan
Professor Emeritus of Geography and Urban Studies
Population Research Center, Mail Code PRC
Room 780P Urban Center
Portland State University, Portland, OR 97207
503-725-5158 (office)
503-880-3230 (cell)
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