Resources

PRISM maintains a series of tutorials on various statistical procedures and software. 

Many of the documents were created for the PRISM Luncheons or the PRISM Speaker Series. 

Preparing for OSU's Political Science PhD Program

• File

  Preparation for the PhD.pdf (opens in a new window)1.47 MB

Data Management

• Importing Data
• Dealing with Fixed Width Data
• Data Management with Stata

Software Introductions

• Programming in Stata
• More Programming in Stata
• Using R on the Super Computer

Statistical Models

• Ideal Point Estimation & Code
• Clarify - Outline
• S-Post - Estimation Techniques in Statistical Analysis
• Duration Analysis in Stata - Based On: An Introduction to Survival Analysis Using Stata
• Selection Models - Implementing and Interpreting Sample Selection Models
• Simultaneous Equations: what are they and how are they estimated
• Article on Using CDSIMEQ & Help File

Statistics Corner Archive

• Interpreting Interaction Terms with Continuous Variables in Ordinary Least Squares Regression
• Advances in Duration Modeling: The Split Population Duration Model
• Time Series Analysis and Fractional Integration
• Simulation and Substantive Interpretation in Statistical Modeling

PRISM Library

PRISM maintains a library of methodological textbooks and statistical software reference material that are available for faculty, students, and staff to check out. 

The library is located in Derby 2049Q. 

•  PRISM Library Catalog

R Resources

• Swirl: An R package which contains tutorials which run in the console, so that you can follow along to practice coding.
• R for Data Science: A new book by Hadley Wickham (of ggplot2 fame) which is the latest word on building a universe of R tools that play nicely with each other for data analysis. The book + code are available online, for free.

Political Methodology and Statistics Resources on the Web

• Political Analysis - Journal of the APSA Political Methodology Section
• The Consortium on Qualitative Research Methods 

General Data Sources

• Inter-University Consortium for Political and Social Research - ICPSR
• Time-Sharing Experiments for the Social Sciences - TESS
• Harvard-MIT Data Center 
• The Virtual Data Center Project

Data Sources for American Politics

• National Election Studies - NES Homepage
• State Supreme Court Data Project
• NOMINATE Scores - via Keith Poole's Homepage
• Advocacy and Public Policymaking Project
• General Social Survey
• International Social Survey Programme

Data Sources for International Relations

• Correlates of War Project
• Paul Hensel's International Relations Data Site

Data Sources for Comparative Politics

• Polity IV Project
• World Values Survey
• Comparative Study of Electoral Systems
• Afrobarometer
• International Social Survey Programme
• World Bank Data
• Trends in Developing Economies Data - via the World Bank
• The Post-Internal War Accommodation and Repression Data Project
• Economic Growth Data 
• The Economic Freedom Index 
• Canadian Election Study

Statistical Software Components Available for Download on the Web

• 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 Lease Squares, by Omar M.G. Keshk
• Stata Software Components

Homepages of Statistical Software Packages

• AMOS - structural equation modeling software
• Git - distributed version control system
• GitHub - Powerful collaboration, code review, and code management for open source and private projects 
• LIMDEP / NLOGIT - software, Inc.
• LISREL - software tools for statistical and data analysis
• R - a language and environment for statistical computing and graphics
• R Studio - an integrated development environment (IDE) for R
• RATS - regression analysis of time series 
• Stan - a probabilistic programming language implementing full Bayesian statistical inference
• SPSS - predictive analytics software and solutions
• Stata - data analysis and statistical software
• WinBUGS - software for the BUGS project

Online Statistical Software Tutorials

• Stata's YouTube Channel

Topics In Quantitative Methods

• Correlation
  • Inferential Statistics at Vassar
  • Correlational Analysis at Newcastle
• Regression
  • Statistics at Yale
• Count Models
  • Regression Models for Count Data R
• Panel Data
  • Princeton Introduction
  • Vienna University of Business and Economics
• Time Series
  • NIST Handbook
• Spatial Modeling
  • Dawn Parker's Page
  • Robert J. Franzese, Jr. and Jude C. Hays
• Matching
  • UNC Workshop
• Computation Modeling
  • Leigh Tesfatsion's Page
• Network Analysis
  • Robert Hanneman's Page 
• Bayesian Analysis
  • Ray Hilborn's Page 
• Former Methodology Students
  • Lyndsey Stanfill: Bio