Health Services Research (HSR) Methods
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Link List for Software and Technical Assistance

Access to RePEc (Research Papers in Economics), a collaboration of economists from around the world, focused on disseminating research in economics. Working papers, journal articles, computing code and book chapters are listed and most are freely available for download.

GSociology - Free Resources for Program Evaluation and Social Research Methods
This site links to on line books, manuals and guides about evaluation and social research methods. The site includes information on surveys, observational and other types of studies and contains links to sites about data quality, statistical analysis, and free statistical, office suites, and spreadsheet software.

Knowledge Panel
A government and academic research survey solutions tool offered by Knowledge Networks. KnowledgePanel is a probability-based panel designed to be statistically representative of the U.S. population. Initially using random-digit-dialing (RDD) to create KnowledgePanel, KnowledgePanel is now continuously maintained by using the United States Postal Service's Delivery Sequence File. This file is essentially a complete list of all U.S. residential households - including households that are cell phone-only and often missed in RDD sampling.

National Cancer Institute (NCI): Statistical Research and applications
Cancer statistics, as well as methods and software for analyzing cancer data are available.

National Library of Medicine (NLM): Health Services and Sciences Research Resources (HSSR)
A summary of datasets, instruments/indices, and software used for analysis of health services research, public health, and the behavioral and social sciences.

R Project
Information on the free statistical software package, R. Link to download software, as well as user manuals and updates are available.

REDCap (Research Electronic Data Capture)
A secure, web-based application designed exclusively to support data capture for research studies. REDCap provides an intuitive interface for data entry (with data validation); audit trails for tracking data manipulation and export procedures; automated export procedures for seamless data downloads to common statistical packages (SPSS, SAS, Stata, R); procedures for importing data from external sources; and advanced features, such as branching logic and calculated fields. REDCap Survey is a powerful tool for building and managing online surveys which can create and design surveys in your web browser and engage potential respondents using a variety of notification methods.

Rice Virtual Lab in Statistics
Includes four modules for understanding and exploring statistics. Hyperstat online is a online statistics book with links to statistical resources; simulations/demonstrations, case studies, and an analysis lab are also available to help users identify how to use statistics to answer research questions. Applets demonstrating statistical concepts are also in the public domain, and may be downloaded for classroom use.

Russ Lenth's Power and Sample Size Page
Provides a series of applets that may be used to conduct sample size and prospective power calculations, as well as practical guidelines on determining sample size.

Information on SAS statistical software, including product and support information, as well as training opportunities. Manuals, software updates, and samples are available.

Software for Implementing Matching Methods and Propensity Scores
A collection of propensity score packages for R, Stata, SAS, and SPSS compiled by Dr. Elizabeth A. Stuart of the Johns Hopkins Bloomberg School of Public Health.

Information on Stata statistical software, including product and support information, as well as training opportunities and free access to PDFs of articles in The Stata Journal.

Provides free access to data, software, trainings, news, and an extensive calendar of events for statisticians.

Provides links to statistics books, tutorials, downloadable software, and other resources including an interactive decision-tree to help individuals select the appropriate type of statistical analysis.

The Research Data Assistance Center (ResDAC)
The ResDAC provides support to academic, government, and non-profit researchers using Medicare and/or Medicaid data. Epidemiologists, biostatisticians, health services researchers, and health informatics specialists from the University of Minnesota are available to provide technical assistance on topics including requesting and accessing datasets. Technical papers on topics such as identifying emergency room visits using Medicare claims data, limitations to identifying dual eligibles, and information on how claims files are generated are available.

The BUGS (Bayesian inference Using Gibbs Sampling) project is concerned with flexible software for the Bayesian analysis of complex statistical models using Markov chain Monte Carlo (MCMC) methods.