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Background Data harmonization Data output Web: Variable documentation system

IPUMS Dissemination System. Background Data harmonization Data output Web: Variable documentation system Web: Data extract system. Variable Harmonization. (Marital status). China 1982. Colombia 1973. Kenya 1989. Mexico 1970. U.S.A. 1990. IPUMS Microdata. Home

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Background Data harmonization Data output Web: Variable documentation system

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  1. IPUMS Dissemination System • Background Data harmonization Data output • Web: Variable documentation system • Web: Data extract system

  2. Variable Harmonization (Marital status) China 1982 Colombia 1973 Kenya 1989 Mexico 1970 U.S.A. 1990

  3. IPUMS Microdata Home Ownership Marital Status Relation to Head Age Occupation Data extract

  4. Pooled Data Extracts sample water sex education 1. Select samples 03241214400 03242014400 03242023310 03242013310 Extract 3.6 million Argentina 2001 Chile 2002 Cuba 2002 Engine Argentina 2001 1 dataset 3 censuses 4 variables 6.2 million records Harmonized codes 17051612211 17051212211 17051223310 17051214400 1.5 million 2. Select variables Chile 2002 Water supply Sex Education 19212023311 19212023311 19211212211 19211214400 1.1 million Cuba 2002 3. Submit extract

  5. Variable Documentation System Q: How can we give researchers the information they need without overwhelming them? Q: How can we best encourage comparative research? A: Organize information by variable, not sample A: Ability to filter out unnecessary information A: Access to full detail when that is desired

  6. 1. Exploring the Database

  7. Variables Page

  8. Variables Page 159 samples

  9. Sample Filtering

  10. Variables Page – Filtered

  11. 2. Variables – Codes

  12. Variable Codes (Marital status)

  13. Variable Codes (Marital status)

  14. Variable Codes (Marital status)

  15. 3. Variable Descriptions

  16. Variable Description (Marital status)

  17. Comparability Discussion (Marital status)

  18. 4. Variables – Deep Documentation

  19. Enumeration Text

  20. Enumeration Text (Marital status, Cambodia)

  21. Variable Description (Unharmonized source variables)

  22. Unharmonized Variables (Source data for marital status)

  23. Data Extract System • Make it easy to get only the variables and samples that a user needs. • Pool the data across time and countries. • Provide tools to help users manage the size of the data. • Provide advanced features to empower researchers to do new kinds of research.

  24. Extract – Select Samples

  25. Extract – Select Samples

  26. Extract – Select Variables

  27. Advanced Extract Features 1. Case selection 2. Customized sample size 3. Attached characteristics 4. Extract revisions

  28. Case Selection

  29. Customize Sample Sizes

  30. Customize Sample Sizes

  31. Customize Sample Sizes

  32. 1 1 1 1 Attached Characteristics Constructed “Pointer” Variables Spouse’s Mother’s Father’s 0 0 0 0 0 0 0 0 0 6 0 5 0 0 0 5 6 0 5 6 0 0 0 0 9 0 0 9 0

  33. Attached Characteristics Age of spouse Employment status of father Occupation of father

  34. Download or Revise Extract

  35. END http://international.ipums.org Matt SobekMinnesota Population Centersobek@umn.edu

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