SYSTAT is a statistical analysis and graphics software package for use on computers with Windows operating systems. It can handle most forms of analysis, from descriptive statistics through advanced regression, analysis of variance (ANOVA), and path and hierarchical model analyses. Earlier versions were offered for DOS, Unix, and Mac OS but are no longer supported. This entry briefly reviews the history, organization, and functioning of SYSTAT.


SYSTAT was created in 1980 by Lee Wilkinson, a psychology professor at the University of Illinois, Chicago. The software was originally written in Fortran on the Cromemco Z2 S-100 microcomputer. In 1983, SYSTAT was incorporated and Version 1 was released on 5¼″ floppy disks with photocopied documentation presented in a green ring binder. Subsequent versions were presented on 3½″ ...

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