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hist.umn.edu/~rmccaa/ipums-europe1 IPUMS i integration principles IPUMS i integration principles » 1. Respect absolute anonymity and confidentiality » 2. Preserve all original data, except adjustments to insure privacy (top codes, blurrings, masking, re- ordering, etc.) » 3. Harmonize codes using international standards occupation: ISCO-88 (detailed, general) education: ISCED “ “ family: IPUMS, etc. “ “ » 4. Enhance with constructed variables
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hist.umn.edu/~rmccaa/ipums-europe2 Composite coding scheme example: marital status
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hist.umn.edu/~rmccaa/ipums-europe3 Occupation: the ISCO standard, preliminary release: “1” digit final: 2-3 or 4 digit, depending upon country
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hist.umn.edu/~rmccaa/ipums-europe4 Variable availability, preliminary release
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hist.umn.edu/~rmccaa/ipums-europe5 DISSEMINATESDISSEMINATESDISSEMINATESDISSEMINATES IPUMSiIPUMSiIPUMSiIPUMSi Legally-binding license agreement » protects privacy and confidentiality » assures proper use » new sanction: loss of employment. Researcher selects » countries » censuses » cases/sub-populations » variables » sample densities » Facilitates comparative research Web-based extraction system
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