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A self-guided tour to help you find and analyze data using Stata, R, Excel and SPSS. The goal is to provide basic learning tools for classes, research and/or professional development
Last Updated: Jun 24, 2014 URL: Print Guide RSS UpdatesEmail Alerts

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Finding data

  • Data & Statistical Services
    Data and Statistical Services (DSS) is a part of the Social Science Reference Center in Firestone Library at Princeton University. DSS offers resources and assistance in finding, using, and analyzing social science data
  • PUL-Articles and Databases
    A&D provides an excellent gateway to macro level data (although some micro level sources are also found here)

Selected data sources

  • World Development Indicators
    From the World Bank, macro data on economic, social, educational, financial, labor, poverty, environmental, health and other social science indicators for more 150 countries.
  • Human Development Indicators
    Each year the Human Development Report (HDR) presents a wealth of statistical information on different aspects of human development. All these data are available for download here in several different ways.
  • World Values Survey
    The WVS is a worldwide network of social scientists studying changing values and their impact on social and political life. The WVS has carried out representative national surveys in 97 societies containing almost 90 percent of the world’s population.
    Established in 1962, ICPSR is the world's largest archive of digital social science data. We acquire, preserve, and distribute original research data and provide training in its analysis. We also offer access to publications based on our data holdings.
  • Roper Center
    The Roper Center for Public Opinion Research is one of the world's leading archives of social science data, specializing in data from surveys of public opinion. The data held by the Roper Center range from the 1930s, when survey research was in its infanc
  • ANES Data Center
    The American National Election Studies (ANES) produces high quality data on voting, public opinion, and political participation to serve the research needs of social scientists, teachers, students, policy makers and journalists who want to better understand the theoretical and empirical foundations of national election outcomes. Central to this mission is the active involvement of the ANES research community in all phases of the project.
  • WRDS
    WRDS provides instant access to important databases in the fields of finance, accounting, banking, economics, management, marketing and public policy.
    Integrated Public Use Microdata Series is a project dedicated to collecting and distributing census data from around the world and CPS. Its goals are to:
    1) Collect and preserve data and documentation
    2) Harmonize data and 3) Disseminate free data.
  • Corruption Perception Index
    The Internet Center for Corruption Research provides you with the TI-Corruption Perceptions Index, a comparative assessment of countries' integrity performance, alongside with related academic research on corruption.
  • Sociometrics
    Sociometrics Social Science Electronic Data Library (SSEDL) consists of eight topically focused data archives, an online data analysis system, and teaching modules.
  • Vanderbilt Television News Archive
    The Vanderbilt Television News Archive is the world's most extensive and complete archive of television news. We have been recording, preserving and providing access to television news broadcasts of the national networks since August 5, 1968.
  • University of Texas Inequality Project
    UTIP is a small research group concerned with measuring and explaining movements of inequality in wages and earnings and patterns of industrial change around the world.
  • IQSS Dataverse Network
    Via web application software, data citation standards, and statistical methods, the Dataverse Network project increases scholarly recognition and distributed control for authors, journals, archives, teachers, and others who produce or organize data; facilitates data access and analysis for researchers and students; and ensures long-term preservation whether or not the data are in the public domain.
  • Voteview
    The primary purpose of this website is to make available the data that Howard Rosenthal and Keith Poole generated out of their many research projects. Keith and Howard adhere to the policy that all of their datasets and software are made freely available to anyone who asks for them.
  • Institution for Social and Policy Studies
    The overall mission of the ISPS Data Archive is to promote the preservation of data in the social sciences, with an emphasis on data from randomized controlled trials. Access to the ISPS Archive is provided at no cost and is granted for scholarship and research purposes only. The Archive currently holds replication files for studies conducted by ISPS-affiliated authors, and includes additional materials associated with a given study as well as high quality metadata.
  • ISSP
    The ISSP is a continuing annual programme of cross-national collaboration on surveys covering topics important for social science research. It brings together pre-existing social science projects and coordinates research goals, thereby adding a cross-national, cross-cultural perspective to the individual national studies.
  • CSES
    The Comparative Study of Electoral Systems(CSES) is a collaborative program of research among election study teams from around the world. Participating countries include a common module of survey questions in their post-election studies. The resulting data are deposited along with voting, demographic, district and macro variables. The studies are then merged into a single, free, public dataset for use in comparative study and cross-level analysis
  • General Social Survey
    The GSS contains a standard 'core' of demographic, behavioral, and attitudinal questions, plus topics of special interest. Many of the core questions have remained unchanged since 1972 to facilitate time-trend studies as well as replication of earlier findings. The GSS takes the pulse of America, and is a unique and valuable resource. It has tracked the opinions of Americans over the last four decades.
  • SDA: Archive
    Online analysis of GSS, ANES and other datasets using SDA
  • CQ Congress Collection
    This collection is a powerful research and reference tool for analyzing the history and development, legislation, powers, and personalities of the U.S. Congress.
    This wealth of data is presented with nonbiased commentary and includes vital biographical and voting data for members of Congress, legislative information organized by topic, key votes, legislative analysis, interest group scores of members, encyclopedic information on Congress, and Supreme Court case summaries relating to the structure and powers of Congress. No other Web site has the functionality, depth, scope, and unique features that make this site such an outstanding electronic reference on the U.S. Congress.

Analyzing data

Nice regression and descriptive statistics tables

Getting Started series

Data Analysis 101 workshops

DSS online training series

Video links

Topics in Statistics/Econometrics

  • StatNotes: Topics in Multivariate Analysis
    Written by G. David Garson, from North Carolina State University, Public Administration Program
  • The Statistics Homepage
    "This Electronic Statistics Textbook offers training in the understanding and application of statistics. The material was developed at the StatSoft R&D department based on many years of teaching undergraduate and graduate statistics courses and covers a
  • Introductory Statistics: Concepts, Models, and Applications
    Written by David W. Stockburger
  • Statistical Data Analysis
    Written by B.R. Asrabadi
  • Model mis-specification and non-spherical disturbances
    "1) review iid assumption. 2) consequences of violation of iid. 3) types of violation of iid: e.g., (a) heteroskedasticity (b) serially correlated disturbances. 4) diagnosing non-iid disturbances (graphs and formal tests). 5) variance stabilizing transfor
  • Interpreting interaction terms
    "The presence of a significant interaction indicates that the effect of one predictor variable on the response variable is different at different values of the other predictor variable."
  • Bootstrap Methods and Permutation Tests
    "Resampling methods allow us to quantify uncertainty by calculating standard errors and confidence intervals and performing significance tests. They require fewer assumptions than traditional methods and generally give more accurate answers (sometimes very much more accurate)."
  • The Concept of Confidence Interval
    "An (1-alpha) confidence interval for the mean is an interval (a, b) such that the mean of the population, µ, is inside it (i.e. a < µ < b) with (1-alpha) "confidence." The endpoints of the interval, a and b, take values that depend on the random sample selected the confidence interval also depends on the random sample selected."
  • Intraclass correlation
    "An intraclass correlation tells you about the correlation of the observations (cases) within a cluster."
  • Visual Statistics with Multimedia
    On statistics

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