Reading Current Population Survey (CPS) Basic Monthly Data 2000-2002 Extract Files with SAS, SPSS, or StataSeveral major changes which affected 2003 Current Population Survey are described in the quote below and in detail :
The CPS adopted the 2002 Census Bureau industry and occupation classification systems, which are derived from the 2002 North American Industry Classification System and the 2000 Standard Occupation Classification System. These new classification systems create breaks in the time series for occupational and industry data at all levels of aggregation.In addition, the Census 2000-based weights were implemented beginning in January 2003. ( The CPS March 2002 supplement and the March 2001 SCHIP files used Census 2000-based weights as well ) .
For comparison over time, the BLS released the 2000-2002 Current Population Survey Extract files.
The Extract files contain revised class of worker, industry, occupation, union, and
Census 2000-based weight variables.
The BLS also produced many tables comparing the distribution of the 1990 and 2002 industry and occupation codes.
The SAS, SPSS, and Stata files were created by Jean Roth at the NBER to make access to the BLS/Census Current Population Survey Extract files a bit more straightforward and easy. The monthly files can be matched to the original CPS Basic Monthly data files using QSTNUM, HRMONTH, HRYEAR4, and OCCURNUM. The data files are available for faster download at the Data Ferret FTP page.
To download files in Internet Explorer, right click on them and select "Save Target As...".
E-mail Jean Roth to report problems or errors.
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