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This page contains links to free software packages that you can download and install on your computer for stand-alone (offline, non-Internet) computing. They are listed below, under the following general headings: General Packages : support a wide variety of statistical analyses Subset Packages : deal with a specific area of analysis, or a limited set of tests Curve Fitting and Modeling : to handle complex, nonlinear models and systems Biostatistics and Epidemiology : especially useful in the life sciences Surveys, Testing and Measurement : especially useful in the business and social sciences Excel Spreadsheets and Add-ins : you need a recent version of Excel Programming Languages and Subroutine Libraries : customized for statistical calculations; you need to learn the appropriate syntax Scripts and Macros : for scriptable packages, like SAS, SPSS, R, etc. Miscellaneous : don't fit into any of the other categories Other Collections of Links to Free Software
"As a professional medical statistician of some 40 years standing, I can unreservedly recommend this textbook as a resource for self-education, teaching and on-the-fly illustration of specific statistical methodology in one-to-one statistical consulting. The topic area coverage is unparalleled in a single textbook, drawing in the usual suspects, but many not-so-usual: Classification trees, Neural networks, Structural equation modeling, to name but a few. This book is an absolute friend-in-need when you need to get to the point fast, without fuss, in a way that anyone can understand." — Mr.
Weka is a collection of machine learning algorithms for data mining tasks. The algorithms can either be applied directly to a dataset or called from your own Java code. Weka contains tools for data pre-processing, classification, regression, clustering, association rules, and visualization. It is also well-suited for developing new machine learning schemes. Found only on the islands of New Zealand, the Weka is a flightless bird with an inquisitive nature.