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Corrections to Documentation for ACS Public Use Microdata Samples (PUMS) in DataFerrett

Component ID: #ti1946615196

Original Revised Date: June 20, 2011.

On July 29, 2011, several errors were corrected in the variable descriptions and value labels associated with the ACS PUMS files in DataFerrett. The problems affected variable descriptions within the application, as well as variable labels and value labels attached to customized tables and downloadable data files.

Correction to the PUMS variable descriptions and value labels were made to the following variables: ELEP, FULP, GASP, GRPIP, INTP, NOC, NP, NRC, PERNP, PINCP, RETP, SSIP, VALP, WATP, and WKHP. The corrections were made in DataFerrett to the 2004, 2005, 2006, 2007, 2008, and 2009 1-year PUMS; and the 2005-2007 3-year PUMS.

Previous note about this error was posted June 20, 2011 (see below).

Component ID: #ti1908540693

Errors in DataFerrett Documentation for Selected Variables in the ACS Public Use Microdata Samples (PUMS)

Several errors have been discovered in the DataFerrett documentation associated with the ACS PUMS files. The problem affects variable descriptions within the application, as well as variable labels and value labels attached to customized tables and downloadable data files. While the underlying data are correct, some of these documentation errors could result in flawed interpretations of ACS PUMS results when using DataFerrett. We are in the process of fully identifying the incomplete or erroneous documentation.

PUMS variables with documentation problems include ELEP, FULP, GASP, GRPIP, INTP, PAP, PERNP, PINCP, RETP, and SSIP. The errors could affect the usage of 1-year PUMS files from 2005, 2006, 2007, 2008, and 2009, and the 2005-2007 3-year PUMS. The other ACS PUMS files in DataFerrett do not have documentation errors.

This errata note will be updated with a full description of the problems as soon as possible. In the meantime, users of affected PUMS files from DataFerrett are encouraged to consult the PUMS Documentation page on the ACS website. The PUMS documentation on the ACS website is correct.

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