DUALabs

DUALabs (National Data Use and Access Laboratories) was the name of an American company that created and disseminated microdata and aggregate data files for the 1960 and 1970 censuses. The DUALabs 1960 census microdata file was noteworthy because it was designed to compatible with data from the 1970 census, allowing easy analysis of economic and d...
Found on http://en.wikipedia.org/wiki/DUALabs

Dualabs

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Found on http://en.wikipedia.org/wiki/Dualabs
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