General Packages:

New 
AMOS
The
student version allows you to construct models with as many as eight
observed variables and 54 free parameters. Free 

AssiStat
— A Windowsbased software package that automates calculation formulas. Includes a Free demonstration download. 4/5


Dataplot  Linux, PCDOS, Windows for scientific visualization, statistical analysis, and
nonlinear modeling. Has extensive mathematical and graphical capabilities.
Free 

EasyStat  Program for Windows and Mac for ttests, Ftests, simple ANOVA and contingency
table. Free 
New 
EQS  Use this student version for
multivariate regression, confirmatory factor analysis, path analysis, and
other multivariate statistics. The student version is limited to 18
parameters. Free 
New 
HLM
 This hierarchical linear model
package is used for nested or multilevel models. The student version
contains all of the functionality of the professional edition, but is
limited in the number of observations. Free 
New 
LISREL
 The student version has the
capability to conduct multilevel analysis for two and threelevel models,
twostage least squares estimation, principal component analysis, and
exploratory factor analysis. It handles up to 12 observed variables.
Free 
New 
Mplus
 This demo SEM package can be
used with models containing both continuous and categorical outcomes. It
can be used to conduct logistic regression, factor analysis, growth
modeling, and modeling with missing data. It is limited to 6 dependent and
and 2 independent variables. Demo Only 
New 
MetaAnalysis
 This DOS based metaanalysis
program can be used to obtain effect sizes d or r or to
obtain exact probabilities. Free 
New 
MIXOR,
MIXREG, MIXNO, and MIXPREG  Freeware
for mixedeffects models for the following: linear regression, logistic
regression for nominal or ordinal outcomes, probit regression for ordinal
outcomes, Poisson regression, and groupedtime survival
analysis. Free 
New 
MX
 Here's a structural equation
modeling program. Amazingly enough, it appears to be freeware. The authors
do ask for a small contribution to handle the duplicating costs if you
order a manual to go along with the downloadable software. Free 

NCSS 6.0 Junior  A strippeddown version of NCSS 6.0 for Win 3.1. Has data entry, descriptive
statistics, ttests, multiple regression, tests on proportions, cross tabs, oneway ANOVA,
exponential smoothing, histograms, scatter plots, and box plots. Free


NCSS  Statistical Software That is Easy to Use Includes Data
Analysis, Statistical Graphics, and Statistical Analysis. Imports Data from SAS, SPSS.
Demonstration download available. 4/5


OpenStat  A
general stats package for Win 95/98/NT, developed by Bill Miller of Iowa State U, with a
very broad range of data manipulation and analysis capabilities. A SPSSlike user
interface. Software instructions are also available: Instructions
in the form of Adobe PDF files. Free 

Regress+
 A Macintosh only package for univariate mathematical modeling
(equations and distributions). The most powerful software of its kind available anywhere,
with stateoftheart functionality and userfriendliness. Free 

SISA  Simple Interactive Statistical Analysis for PC (DOS) from Daan Uitenbroek. An
excellent collection of individual DOS modules for several statistical calculations,
including some analyses not readily available elsewhere. Free 

SPSS Science  Includes free
download demonstration software 3/5
Demonstration 

Statistical
Software  A large collection of executable DOS programs
(and Fortran source). Includes: Matrix occupancy, exact gsample empirical coverage test,
interactions of exact analyses, spectral decomposition analysis, exact mrbp (randomized
block) analyses, exact multiresponse permutation procedure etc. Free 

Statlets  Java Statistical Applets  As the name implies 3/5

New 
STREAMS
 This is structural equation
modeling software can also be used as a preprocessor to LISREL, AMOS, EQS,
MPlus, and Mx. Multilevel Modeling. Free 

ViSta  A Visual Statistics program for Win3.1, Win 95/NT, Mac and Unix.
Free 

WebStat  A
Javabased statistical computing environment for the World Wide Web. Needs a browser, but
can be downloaded and run offline. Free 


Subset Packages


ADE4  Multivariate
analysis and graphical display software package for Mac and Win 95/NT. Includes component
analysis and correspondence analysis, spatial data analysis methods, discriminant analysis
and within/between groups analyses, many linear regression methods Graphical
displays include an automatic collection of elementary graphics corresponding to groups of
rows or to columns in the data table, automatic ktable graphics and geographical mapping
options, searching, zooming, selection of points, and display of data values on factor
maps. Free 

BUGS  Bayesian inference Using Gibbs Sampling. Software for the Bayesian analysis of
complex statistical models using Markov chain Monte Carlo (MCMC) methods. Commandline
interface versions available for major computer platform; a Windows version, WinBUGS,
supports a graphical user interface, online monitoring and convergence diagnostics.
Free 

CASSATT  A pure Java graphical program to create linked scatter plots and
parallelcoordinate plots. Runs on any platform that can run Java (Win/95/98/NT/2000, Mac,
Unix, etc.) Free 

G*Power
 A general Power Analysis program for DOS and Macintosh. Performs
highprecision analysis for ttests, Ftests, Chisquare tests. Computes power, sample
sizes, alpha, beta, and alpha/beta ratios. Comprehensive webbased tutorial and reference
manual. Free 

Probability Calculator
 Regular (pvalue) and inverse calculation for most popular central
and noncentral probability distributions: Beta, Binomial, Bivariate Normal, Chi Square,
Correlation, Fisher F, Gamma, Hypergeometric, Negative Binomial, Normal (Gaussian),
Poisson, Student t, Studentized Range, Weibull. Free


Tests
of Proportions  Applies tests of significance for proportions
(between observed vs expected and between two independent proportions). (Mac, 335K)
Free 

Weibull Trend Toolkit
 Fits a Weibull distribution function (like a normal distribution,
but more flexible) to a set of data points by matching the skewness of the data. (Windows)
Free 


CurveFitting
& Modeling: 

KyPlot  A data analysis and graphing program for Windows. 

PLSPC 1.8  A DOS program to do Partial Least Squares regression (PLS). Developed by J.
Lohmöller, and distributed for free by J. McArdle. An introductory overview of PLS by
Wynne CHin can be found Here.
Free 

WinSAAM  Windows
System Analysis and Modeling Software. lets you create mathematical models, design and
simulate experiments, and analyze data. Models can contain differential equations, which
will be numerically integrated and fit to data. Graphic and tabular output is provided.
Free 


Biostatistics and
Epidemiology: 

Anderson Statistical
Archives  A large collection of statistical programs for PC
(DOS) and Mac, plus Fortran and C source, from the Biomathematics department of the M.D.
Anderson Cancer Center. Free 

Biodiversity
Research Software  Five software packages, with documentation:
Free 

Diagnostic
Statistics  Calculates diagnostic efficiency statistics (i. e.,
sensitivity, specificity, positive and negative predictive power, Kappa, etc.). (Mac,
335K) Free 

EasyMA  Free userfriendly MSDOS program for the metaanalysis of clinical trials
results. Developed to help physicians and medical researchers to synthesize evidence in
clinical or therapeutic research. Free 

EpiInfo  A set of programs for word processing, data management and epidemiologic
analysis, designed for public health professionals. Free


Life Table  Available in Lotus and Excel formats.
Free


STPLAN  Performs power, sample size, and related calculations needed to plan studies.
Covers a wide variety of situations, including studies whose outcomes involve the
Binomial, Poisson, Normal, and lognormal distributions, or are survival times or
correlation coefficients. Free 


Surveys, Testing,
and Measurement: 

POSDEM  Uses simulation techniques to analyze
and compare alternate sampling strategies for surveys. Performs power / sample size /
precision analyses for different sampling methods: systematic, stratified, random, etc.
Windows versions available. Free 

QMethod  A statistical program for analyzing data from the QSort Technique.
Free 

SABRE 
A Fortran program for statistical analysis of binary, ordinal and
count recurrent events. Such data are common in many surveys either with recurrent
information collected over time or with a clustered sampling scheme. It is particularly
appropriate for the analysis of work and life histories, and has been used intensively on
many longitudinal datasets. Free 

SSCalculator
 Calculates standard scores (z, t, NCE) as well as percentiles and
Wechsler test scores. (Mac, 315K) Free 

Stats  A Windows program for several commonlyneeded statistical functions for marketing
researchers: random numbers; sample sizes needed for surveys; mean, standard deviation,
standard error and range for keyboardentered data; standard error of a proportion;
significance testing between two percentages from independent samples; significance
between two percentages from dependent samples; significance testing between two averages
from independent samples; contingency table analysis (i.e., ChiSquare) Free 

WebQ
 A set of HTML files for performing QSorts online and collecting
the data for subsequent analysis. Free 
New 
WesVarPC
 Software used for the survey
data including analysis of multistage, stratified, and unequal probability
samples. Free 


Excel Spreadsheets
and AddIns: 

ASCA
Profile Analysis  Excel Spreadsheet template for performing
syndromic profile analysis of Adjustment Scale for Children and Adolescents scores. (Mac,
25K) Free 

Correlation
Tests  Excel Spreadsheet template which tests the significance
of difference between correlations (both independent and dependent). (Mac, 25K)
Free 

DE Histograms  Excel addin that provides comprehensive descriptive stats, histograms, outlier
detection, normality testing, and much more. Free


Essential
Regression and Experimental Design  Excel 95/97 addin and
electronic book package for linear multiple and polynomial regression. Includes
significance tests of model and parameters, model adequacy checking, tests for
multicollinearity and variance inflation factors, autocorrelation, model optimization,
stepwise regression, and experimental design. Free


Exact Confidence
Intervals for Samples from the Binomial and Poisson Distributions  Excel spreadsheet with several builtin functions for calculating probabilities
and confidence intervals. (42k long). Free 

Life Table  Available in Lotus and Excel formats.
Free 

PopTools  Windows DLL for Excel 97 and 2000 (PC's only). Facilitates analysis of matrix
population models & simulation of stochastic processes. Adds a new menu item and
installs many powerful functions: matrix decompositions and formulas for generation of
random variables (Normal, binomial, gamma, exponential, Poisson, logNormal). Also has
routines for iterating spreadsheets to run Monte Carlo simulations, conduct randomisation
tests and calculate bootstrap statistics. Also has documentation, examples, and related
links. Free 

Weighted
Least Squares Linear Fits  Excel addin from University of
Texas. Free 


Miscellaneous:


First Bayes  Easytouse Windows application for elementary Bayesian Statistics. Performs most
standard, elementary Bayesian analyses, including: plotting and summarizing distributions,
defining and examining arbitrary mixtures of distributions, analysis of two kinds of
linear model (one or more normal samples with common but unknown variance, and simple
linear regression), examination of marginal distributions for arbitrary linear
combinations of the location parameters, and the generation of predictive distributions.
Free 

GrafProg  Windows graphing program design, copy and save graphs generated by functions or
by spreadsheet; also includes some statistical graphing processes. Free 

MetaAnalysis Calculator for
Win95,
Mac68K
Free 

MetaAnalysis
5.3  DOS statistics software for metaanalysis. Probably still
the most frequently used metaanalysis software in the world. Can select the analysis of
exact p values or effect sizes (d or r, with a cluster size option). Can plot a
stemandleaf display of correlation coefficients. A utility menu is provided that allows
various transformations and preliminary computations that are typically required before
the final metaanalysis can be performed. Free 

Programs Useful in a Clinical
Laboratory Setting  Scott Warner's collection of MSDOS and
Windows. Free 

Research Randomizer  Neat
piece of software contained in a web page. 3/5 Student 



Statistical Packages
Resources New 

Duke
University's Freeware List  An
extensive list of free and commercial software home pages. 

ProGAMMA
Downloadable Demos List  An
extensive list of software for the social and behavioral sciences. They
have documented the required operating systems, size of the files, and
availability of documentation for the software on their list. 

Software
List at Statistics.com  A
large list of freeware and demonstration versions. They've done a nice job
of reviewing the software so you can more easily find the right software
for your needs. 





