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The previous issue in this series can be found in the October, 2002 issue of Benchmarks Online: An Introduction to Multilevel Models (Part I): Exploratory Growth Curve Modeling
Statistical Resources on the Internet
By Dr. Rich Herrington, Research and Statistical Support Consultant
This month we survey some of the resources available on the internet for those who are interested in using statistics and statistical software. This list is in no way comprehensive and is in some sense biased, but does list resources that cover my interests in research, statistics and statistical computing. Some of the areas covered are statistical computing, basic statistics and advanced statistics including: multivariate theory, general psychometric theory, item response theory, latent structure analysis, multilevel modeling, missing value imputation, and Bayesian analysis. Statistical packages and statistical environments covered include: SAS, S-PLUS, R, LEM, WinBUGS, EQS, AMOS and LISREL. There are many individualized programs that are specific to a particular task (e.g. GPOWER - power analysis program). It is encouraging to see that many instructors and researchers are making their course notes and worked examples available for everyone on the internet. It truly is a time of abundance for those of us involved in using statistics and statistical computing resources for research.
Next week we return to Part II of our series on Multilevel Models.
Articles
- Statistical Computing and Graphics - An ASA Electronic Newsletter
- Review of Multilevel Modeling Programs
- Articles on Reliability
- DataSim - Article on Software for doing Statistical Simulation and Univariate Analysis
- PDF Articles on Latent Trait and Latent Class Models (ZIP file of PDF's)
- Multilevel Modeling Papers - Harvey Goldstein
- Multilevel Modeling Newsletter - Harvey Goldstein
- Latent Growth Curve Modeling in Adolescent Substance Abuse
- Statistics in Medicine - Full Text Download (PDF)
- Science Direct - Full Text Download (PDF)
- Search NEC Research Index
- Articles for Download - UCLA Portal
Tutorials
- Lisrel tutorial
- Amos tutorial
- HLM tutorial - Hierarchical Linear Modeling
- HLM Concepts and Background - HLM 5.04
- Teaching Resources and Materials for Social Scientists - Multilevel Modeling Tutorial
- Using SAS Proc MIXED for Hierarchical Linear Modeling
- Introduction to Latent Trait Modeling (IRT)
- Introduction to Tetrachoric and Polychoric Correlation Coefficients
- Estimating a Latent Trait Model by Factor Analysis of Tetrachoric Correlations
- Binary Data Factor Analysis and Multidimensional Latent Trait/Item Response Theory (IRT) Models
- Latent Trait and Item Response Theory (IRT) Models
- Introduction to Bayesian Computational Methods - Bayesian Inference Using WinBUGS
- Tutorial for First Session of WinBUGS
- Tutorial in Monte Carlo Markov Chain Modeling (MCMC) - Lecture Notes, S-Plus & WinBUGS Programs
- Tutorial in Programming MCMC Algorithms
- R Code Example of Hypothesis Testing with MCMC
- R Code of a MCMC Shell Program
- S Poetry - S-Plus Textbook
Interactive Demos
Software Downloads and Web Sites
- Home Page for the "S" System - Bell Labs
- The Omega Project for Statistical Computing
- CRAN - Comprehensive R Archive Network
- Using R/S-Plus with XEmacs Editor in Windows
- S-PLUS Functions for Reliability
- S-PLUS/R Examples Used by SAS Proc Mixed - Multilevel Designs
- S-PLUS/R Examples Repeated Measures Designs
- Power of Multilevel Designs with S-PLUS
- Multilevel Structural Equation Modeling with S-PLUS
- Multilevel IRT with S-PLUS
- DataSim Download
- Software for McDonald's Textbook "Test Theory: A Unified Treatment"
- Free IRT Textbook and Software - Frank Baker
- "R" (GNU S) Programs for Classical Test Theory, Classical Item Analysis, IRT Simulations, Etc.
- Open Source IRT Software - ICL Program Fits 1, 2, and 3 Parameter IRT Models
- Free Rasch Measurement Software - Bigsteps
- Free Facets Analysis Software - DOS-Facets
- Online DOS-Facets Manual
- LEM - Software for Latent Trait and Latent Class Analysis
- Nonparametric IRT Models - LEM Input Files and Data Files
- Jim Ramsay's TestGraf - Nonparametric IRT Software Using "Kernel Smoothing"
- IRT Software - Item Response Theory Models for Unfolding
- Introduction to Tetrachoric and Polychoric Correlation Coefficients with Free Software
- Polychoric Correlation Program
- Tetrachoric Correlation Program
- Latent Trait Mixture Analysis
- Located Latent Class Analysis (LLA)
- CDAS (Categorical Data Analysis System) - Also includes MLLSA (Latent Class Analysis Module)
- WinLTA - Latent Transition Analysis
- Free Software for Bartholomew Book, "Latent Variable Models and Factor Analysis"
- Documentation for Bartholomew Book, "Latent Variable Models and Factor Analysis"
- Bayesian Inference Using Gibbs Sampling - Download WinBUGS (program can model IRT & Multilevel models
- Bayesian Output Analysis Program (BOA) - Works in Conjunction with WinBUGS
- Software Key for Unlocking WinBUGS - Online Text Version
- Estimation and Inference via Bayesian Simulation - WinBUGS Examples, S-Plus Programs
- Examples Using MCMC with WinBUGS
- Example of IRT Model Using WinBUGS
- More Examples Using WinBUGS
- WinBUGS Examples from Peter Congdon's Book: "Bayesian Statistical Modeling"
- Course on Bayesian Methods in Biostatistics: WinBUGS Programs, Data Sets and Lecture Notes
- R (GNU S) Download Site
- Amos 4.0 student version; Amos 4.0 tutorial
- EQS 5.7 student version; EQS 5.7 tutorial
- Lisrel 8.51 student edition Lisrel tutorial
- HLM 5.04 Student Version
- Mx - freeware structural equation modeling software
- Mx - Examples
- Interactive Mx
- Latent Variable Modeling Using Partial Least Squares (LVPLS)
- Information page on available SEM packages
- Fully worked Examples of Random Effects Growth Models
- Timepath97 - SAS Programs for Growth Curve Modeling
- TPSIM - Simulating Longitudinal Growth Curves
- Software for Analysis of Data with Missing Data - Joe Schafer, S-Plus Programs
- S-Plus Programs & Articles for Robust PCA & FA
- Power Analysis in Covariance Structure Modeling - Robert McCallum
- Examples of Factor Analysis using Proc CALIS (SAS) and EQS
- Worked Examples with MLLSA - Latent Class Analysis Software
- Miscellaneous Free Software Link 1
- Miscellaneous Free Software Link 2
- GPOWER - Power Analysis Software for MS-DOS and Macintosh
- How to Use GPOWER
Searchable LISTSERV Archives
- Structural Equation Modeling Discussion Network
- AERA-D Division D: Measurement and Research Methodology
- EDSTAT-L Statistics in Education
- S-NEWS S-Plus & R
- R (GNU S) Listserves - r-announce, r-help, r-devel
- BUGS - Bayesian Analysis Using Gibbs Sampling
- Multilevel Modeling
- Search Assessment and Evaluation on the Internet
- Search for Publications Concerning Bayesian Modeling
Useful LISTSERV Utilities
Internet FAQ's
Course Notes, Lectures, and Software
- Free Statistical Test Theory Text
- Benchmarks "RSS Matters" - A Column devoted to Research and Statistics
- UNT "R" Server on Kryton - Web Interface for Submitting "R" (GNU S) Programs
- Information on the Satisfaction With Life Scale (SWLS)
- More Information on the Satisfaction With Life Scale
- Information on the Beck Depression Inventory (BDI)
- Information on the Children's Depression Scale (CDS)
- Information on the Depression Anxiety Stress Scale 42 (DASS 42)
- Applications of Latent Trait and Latent Class Models in the Social Sciences (online book)
- Latent Class and Latent Trait Analysis Resources
- Latent Transition Analysis
- Item Response Theory Course - Readings, Data Sets, Computer Programs
- Frank Baker's Item Response Theory Website
- University of Illinois IRT Modeling Lab Website
- Item Response Theory Resources
- Free Rasch Measurement Software - Bigsteps
- Rasch Measurement Resources
- Handbook on Differential Item Functioning
- Item Response Theory Models for Unfolding
- Assorted Measurement Programs- Neils Waller
- Bayesian Analysis Using BUGS - Main Website
- Mx Structural Equation Modeling Software
- PMETRIC - Psychometric Software System
- Assorted Psychometric Computer Programs - IDANET program library
- Website for the Textbook "Bayesian Data Analysis" - Gelman, Carlin, Stern, Rubin
- Bayesian Inference in Measurement - Course Notes
- Centre for Multilevel Modeling
- MIX Multilevel Modeling Programs - Don Hedeker
- Other Software & Publications by Don Hedeker
- MLA Multilevel Modeling Software - Frank Busing
- Longitudinal Data Analysis - PDF files, Data Sets, and Programs by Don Hedeker
- Longitudinal Data Analysis Course - Don Hedeker
- Longitudinal Data Course - Marie Davidian, Lecture Notes, Data Sets, Programs
- Longitudinal Methodology Web Page - Patrick Curran
- Longitudinal Methodology - Peter Diggle's Homepage
- Patrick Curran's Homepage - Workshop Notes, Programs, Articles, etc.
- David Rogosa's Homepage - Programs, Data Sets & Examples
- Longitudinal Data Analysis Course - Nikhil Gupte, Lecture Notes, Data Sets, Programs
- Comparing Three Modern Approaches to Longitudinal Data Analysis - Data, Programs, & Documentation
- Psychometric Computer Applications - Brad Hanson
- Fundamental Measurement for Outcome Evaluation
- Free Statistical and Measurement Software
- Psychometric Theory Lecture Notes, Presentations, Talks, Etc.
- Paul Barrett's Homepage - Interesting Downloads (notes, programs, etc)
- Classical Item Analysis Software
- Software, Papers, Class Notes on using Bayesian Estimation - Simon Jackman's Homepage
- Statistics and Statistical Graphics Resources
- Structural Equations with Latent Variables - Programs, Examples, Datasets - Donald Green
- Web Links for Methodology and Statistics
- Supplemental Chapters for "Principles and Practice of Structural Equation Modeling (Kline, 1998)
- Multilevel Modeling Course, Lecture Notes, Example Data Sets, Programs - Jason Newsom
- Multilevel Modeling, Papers, Software, Books - Joop Hox Homepage
- Free Multilevel Modeling Textbook, "Multilevel Statistical Models" - Harvey Goldstein
- Free Multilevel Modeling Textbook - Joop Hox
- Online Statistics Textbook, Univariate and Multivariate Statistics
- Latent Variable Models and Factor Analysis Textbook - Bartholomew
- LEM - Software for Latent Trait and Latent Class Analysis
- Open Source IRT Software
- Exploratory Factor Analysis - Free Textbook by Robert McCallum, Ledyard Tucker
- Books on Measurement Theory, Test Theory, Structural Equation Modeling and General Statistics
- Ericae.net - A Clearinghouse for Assessment, Evaluation, and Research Information
- General Statistics Resources
- Statistical Methods for Rater Agreement
- Ordinal Data Modeling with Bayesian Analysis - Jim Albert's Homepage
- EmBedBUGS: S-Plus Library for embedding WinBUGS in SPlus
- Notes and Examples Using S-Plus & R - John Maindonald
- Bayesian Course - Lecture Notes, Data Sets, Programs
- Bayesian Course - Lecture Notes, Data Sets, WinBUGS & S-Plus Programs
- Bayesian Course (featuring MCMC) - Lecture Notes, Data Sets, R & S-Plus Programs
- Bayesian Course Using Peter Congdon's Book - Lecture Notes, BUGS, BOA & S-Plus Programs
- David Draper's Homepage - Papers, Lecture Notes on Bayesian Modeling
- Course on Advanced Social Statistics - Latent Variable Analysis, Categorical Modeling, Multilevel Models
- Papers, Programs & Data Sets Concerning Robust PCA and FA - Peter Filzmoser
- Antwerp Group on Robust & Applied Statistics
- General Statistics Resources
- Diane Cook's Homepage - Multivariate Statistics, GGobi
- Practical Time Series - GNU "S" (R) Code for Time Series Analysis
- An R and S-Plus Companion to Applied Regression - Chapter Supplements, Programs & Data Sets
- Introduction to Advanced Statistics - Phil Wood
- Introduction to Latent Variable Models - Phil Wood
- Douglas Bates' Homepage - NLME (Nonlinear/Linear Mixed Effects), Programs, Data & Lecture Notes
- Introduction to Methods of Ecological Modeling
- Introduction to Multilevel Modeling - David Rogosa Course
- Statistics and Data Mining Research - Bell Laboratories