Inter-University Consortium for Political & Social Research

URL: http://www.icpsr.umich.edu/

Catalog and index to ICPSR's archival holdings of demographic, economic, health, and political machine readable data tapes
Data available for ftp for consortium members
Free web access to federal crime and aging data
Links to U.S., international, and foreign data archives
University of Michigan political science students should contact the Computer Assistance Program for data access; other University of Michigan affiliates should contact the Spatial and Numeric Data Services for data access and CSCAR for technical assistance
Specific Data sets and subjects:
- Census Data
  - Raw on-line data for ftp, abstracts, and/or documentation, 1790-1990
  - Files are extensive and require statistical packages for manipulation
- National Archive of Computerized Data on Aging is publicly accessible but must be manipulated by user
- National Archive of Criminal Justice provides user-friendly data manipulation
  1. Choose "Online Data Analysis"
  2. Choose the survey you would like and the "browse" option; start
  3. Choose "Alphabetical Variable List"
  4. Choose your variables and write down their corresponding code names
  5. Go back to the original screen and choose "run crosstabulations;" start
  6. Imagine the output as a spreadsheet and type in the desired vertical and horizontal code names; also choose output as statistics or percentages
  - Example of National Household Drug Survey
    - Time since last alcoholic beverage by 11 age groups
    - In "run crosstabulations," type in "agecat3" as vertical and "al03" as horizontal; check off percentaging as horizontal; run the table
- Mass Behavior and Political Attitudescontains data on American and foreign elections