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Mapping prescription drug patterns: An illustrated tutorial

Frank Bass of The Associated Press offers a step-by-step explanation of how and where he got data and analyzed it to uncover an increase in the use of pain medication. The tutorial explains how Bass converted more than 3,000 pages from PDF to Excel spreadsheets, a readable format for analysis; imported the data into SAS statistical software; and used Arcview mapping software to visualize the spread of painkillers.

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