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Knowledge and Data Management White Papers

Don't Dither About Your Data, Let SAS/GRAPH Trending Box Plots Drive Decision Making

Overview Box and Whisker plots (box plots) are excellent tools for communicating point estimates, as well as information on the spread of data. Box plots, which are plotted over time, show changes in the median, range, and quartiles of the data over a specific time period. The ability to view changes in the median, as well as changes in the spread of the data over time, can enable the decision maker to see the effects of interventions more clearly. This paper demonstrates how the GPLOT procedure in SAS/GRAPH can be utilized to create boxplots that trend over time. Multiple SYMBOL, AXES, and PLOT statements, as well as the OVERLAY, statement are employed to enhance the graphic by including dithered data points on the boxplots.

Further White Paper Details
Publisher	SAS Institute	File Format	PDF
Date Published	March 2003
Format	White Papers
Topics	Knowledge and Data Management, Graphics Applications, Programming Languages

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