SAS is one of the most standard and comprehensive computer packages for statistical analysis. Two useful procedures for exploratory analysis are: •PROC MEANS:calculates basic summary statistics •PROC UNIVARIATE:calculates a wide array of summary statistics, plus a limited set of plots. SAS Interface:For most systems (except mainframes), the SAS interface uses three windows: •Program Editor:programming statements are written here. To run a program, select “submit” from the “run” menu, or click on the tool bar button with the little running person on it. •Output Window:displays results of the analysis. •Log Window:displays error messages, warnings, and notes regarding the compilation and execution of the program. 1
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