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**Software for Population Analysis**. A directory of software sources for analysing animal abundance.

**Gordon's choices**:

- BUGS. Bayesian inference using Gibbs sampling. The most important software package for making Bayesian methods accessible to most users. Alastair Stevens, Cambridge University.
- MacAnova. An interactive statistical analysis program in the spirit of S for Macintosh, DOS/Windows and Unix. Strengths are analysis of variance and related models, matrix algebra, time series, and to a lesser extent exploratory statistics. Gary Oehlert and Christopher Bingham, University of Minnesota.
- The R Project. Language very similar to S. Originally developed by Robert Gentleman and Ross Ihaka at the University of Auckland and now continued by a larger team.

**Other packages**:

- ADE-4. Analysis and graphics package for ecological data analysis on Macintosh or Windows 95. University of Lyon.
- AM Statistical Software. Software from the American Institutes for Research for analysing data from large-scale assessments.
- Arc. A package for regression
analysis designed as a companion to the book
*Applied Regression Including Regression and Graphics*by R. D. Cook and S. Weisberg. Essentially a front-end to Xlisp-Stat, it contains many graphical methods unavailable in any other program. The ability to implement interactive graphics is a particular strength. For Windows, Macs and Unix. Sanford Weisberg, University of Minnesota. - BrightStat. A webbased statistical package by Daniel Stricker, University of Bern.
- DataPlot. Large statistical analysis and graphics package with command line and GUI. James Filliben, Alan Heckert and Robert Lipman, National Institute of Standards and Technology.
- EMMIX. Fortran software to fit mixture models. Geoff McLachlan, University of Queensland.
- ESS. Emacs Speaks Statistics. Offers a common interface through EMACS to many statistical packages. A.J. Rossini, R.M. Heiberger, K. Hornik and M. Maechler.
- Factor. Exploratory factor analysis. Rovira i Virgili University, Spain.
- IDAMS. Information processing tools, data mining and statistical analysis. A statistical program developed and distributed by UNESCO. The emphasis is on exploratory multivariate techniques but basic methods such as one-way ANOVA and regression are also included. Manual and considerable documentation available online.
- Interactive Statistical Unit. Tue Tjur, Copenhagen Business School.
- LispStat. A computing environment for statistics and interactive graphics. Luke Tierney, University of Iowa.
- PAMCOMP. Computes person-years and standardized mortality ratios. Dirk Taeger, University of Muenster.
- Pan-Data CCOUNT. A package for market research analysis including data evaluation, cross tabulation etc. Volker Hoffmann.
- POSDEM. A program to choose between sampling plans based on the population frame. Free download by email. Gonzalo Sánchez-Crespo, Delegacion INE.
- Program Mark. Advanced mark-recapture modelling. Gary White, Colorado State University.
- PS: Power and Sample Size. A stand-alone program which does power calculations for two samples, linear regression and for survival responses. William Dupont and Walton Plummer Jr, Vanderbilt University Medical Center.
- Octave. A language designed for numerical linear algebra.
- Regress+. Mathematical modelling for the Macintosh. Regression modelling including nonlinear functions and bootstrapping. The site includes a compendium of probability distributions and a guide to mathematical modelling. Mike McLaughlin.
- SalStat Statistics.
- SOFA Statistics.
- StatCalc. A calculator that computes table values for many probability distributions. K. Krishnamoorthy, University of Louisiana at Lafayette.
- Statistics101. A Java implementation of the “Resampling Stats” programming language developed by Julian Simon and Peter Bruce (http://www.resample.com). Runs on any platform which supports Java 1.4 or higher including Windows, Mac and Linux. Presented as “giftware” rather than freeware. John Grosberg.
- Statlets. An web accessible statistical package written in Java. Free for small data sets with no more than 10 variables or 100 cases. NWP Associates.
- STATS. Windows program which computes basic two sample statistics. Decision Analyst Inc.
- |Stat. Data analysis on Unix and DOS. Gary Perlman.
- TimesLab. Current version of the MS-DOS
time series analysis program which accompanied the book
*TIMESLAB: A Time Series Analysis Package*by H. Joseph Newton, Wadsworth, Pacific Grove, 1988. The software is now freely available from the WWW site, but you will still want the book. See also the S-Plus version at the Statlib S archive. - ViSta. Visual tools for data analysis, written in LispStat. Forrest Young, University of North Carolina, Chapel Hill.
- XploRe. Interactive statistical methods and data exploration. Currently available for various Unix flavours with Windows on the way. Site includes extensive online help and Java and CGI interfaces to the package. Institute of Statistics and Econometrics, Berlin.
- Xpro. Windows software for exact parametric inference.
- Xtremes. Graphics and analysis
program for MS-Windows which comes with the book
*Statistical Analysis of Extreme Values*by R.-D. Reiss and M. Thomas, Birkhauser Publishers, Basel, Boston, 1997. Free demonstration available but without online help or data sets. Rolf-Dieter Reiss, University of Siegen.

- Statistical Packages Available as Free Software. Emphasis on social research. Gene Shackman.
- Free Statistical Software. John C. Pezzullo.
- http://en.freestatistics.info
- Statcon: List of Free Statistical Software.
STATCON
GmbH.

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