for just about everything. The trick is to discover what existing data are the best match to the ideal data you need to test the prediction of your model. This guide provides just a sampling of links to data warehouses.
The National Survey of America's Families (NSAF) is a survey focusing on the economic, health, and social characteristics of children, adults under the age of 65, and their families. The NSAF sample is representative of the nation as a whole and of 13 states, and therefore has an unprecedented ability to measure differences between states. Public use files enable independent research on the NSAF data.
The National Center for Charitable Statistics (NCCS) has data on more than 2 million nonprofit organizations dating from the early 1980s. We provide a range of online tools for viewing information on individual organizations and for creating summary statistics and tables. The NCCS Data Web, our primary tool for researchers, enables users to create custom tables and much more.
UI administers the Federal Justice Statistics Resource Center (FJSRC), a Bureau of Justice Statistics Federal Justice Statistics Program database, which contains information about suspects and defendants processed in the federal criminal justice system. Using data obtained from federal agencies, the FJSRC compiles comprehensive information describing defendants from each stage of federal criminal case processing.