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As the personal computer has become a standard feature on nearly every researcher's desk, an increasing number of programs have become available that reduce, or even eliminate, dependence on the mainframe computer for both data management and data analysis. Reviewed here are two statistical programs designed for the personal computer, which incorporate many of the statistical functions most often used in the analysis of clinical research data. They are Crunch Statistical Package (version 3), and yMED Spreadsheet Statistical Program for Medical Application. Both programs admirably meet most needs of clinical researchers for statistical analyses. Which program is better for an individual user depends on the user's previous software experience and the type and size of the data sets and data analyses.
Both yMED and Crunch have two broad types of functions: data management functions and statistical procedures. Both programs are able to import ASCII and DIF files. Crunch can also
Stern RS. Crunch Statistical Package. Arch Dermatol. 1988;124(12):1875. doi:10.1001/archderm.1988.01670120079024
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