Political Methodology and Statistics Resources on the Web:
- Political Methodology Homepage (Organized Section of the APSA)
- The Political Methodologist (Newsletter of the Political Methodology Section)
- Political Analysis (Journal of the APSA’s Political Methodology Section)
- UCLA’s Statistical Computing Resources
- PowerPoint Presentations of Statistical Topics – London School of Economics
- Simon Jackman’s Bayesian Inference, MCMC Page
- StatLib: Data, Software, and News from the Statistics Community
- Statistics Corners (short articles, written by PRISM staff members, concerning important topics in statistical analysis)
- Arizona State University Institute for Qualitative Research Methods
General Data Sources:
- Inter-University Consortium for Political and Social Research (ICPSR)
- Time-sharing Experiments for the Social Sciences (TESS)
- Social Science Data on the Internet, UC San Diego
- Political Methodology (APSA) Data Source Page
- Harvard-MIT Data Center
- The Virtual Data Center Project
Data Sources for American Politics:
- National Election Studies (NES) Homepage
- NES Guide to Public Opinion and Electoral Behavior
- Judicial Databases at Michigan State's Program for Law and Judicial Politics
- State Supreme Court Data Project
- Law and Courts Datasets
- NOMINATE Scores (via Keith Poole’s Homepage)
- Policy Agendas Project
- Advocacy and Public Policymaking Project
- General Social Survey
- International Social Survey Programme
Data Sources for International Relations:
- Correlates of War Project
- EUGENE: Expected Utility Generation and Data Management Program, by Scott Bennett and Allan Stam
- Paul Hensel’s International Relations Data Site (VERY comprehensive)
- See Paul Hensel’s International Conflict and Cooperation Data Page (Includes links to COW and MID data)
Data Sources for Comparative Politics:
- Polity IV Project
- World Values Survey
- Lijphart Elections Archive
- Eurobarometer
- The New Europe Barometer
- Comparative Study of Electoral Systems
- Afrobarometer
- International Social Survey Programme
- World Bank Data
- Trends in Developing Economies Data (via the World Bank)
- Elections Around the World
- Parliamentary Data
- The Post-Internal War Accommodation and Repression Data Project
- Economic Growth Data
- The Economic Freedom Index
- CIA World Factbook
- Canadian Election Study
- Africa Research Program
- Clash of Civilizations Data Project
Statistical Software Packages Free on the Web:
- R (The R Project for Statistical Computing
- WinBUGS
- LISREL (student edition)
- AMOS (student edition)
- Free Software Downloads (from statistics.com)
- More Free Statistical Software
Statistical Software Components Available for Download on the Web:
- S-POST: Post-Estimation with Stata, by J. Scott Long and Jeremy Freese
- CLARIFY: Software for Interpreting and Presenting Statistical Results, by M. Tomz, J. Wittenberg, and G. King
- EUGENE: Expected Utility Generation and Data Management Program, by Scott Bennett and Allan Stam
- COUNT: A Program for Estimating Event Count and Duration Regressions, by Gary King
- AMELIA: A Program for Missing Data, by Gary King
- ReLogit: Rare Events Logistic Regression, by Gary King
- CDSIMEQ: A Program to Implement Two-Stage Probit Least Squares, by Omar M.G. Keshk
- Stata Software Components (includes dozens of Stata components)
- EUGENE: Expected Utility Generation and Data Management Program, by Scott Bennett and Allan Stam
Homepages of Statistical Software Packages: