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Changes in healthcare and other industries often have a spatial component. Maps can be used to convey this type of information to the user more quickly than tabular reports and other non-graphical formats. SAS, SAS/GRAPH and ODS graphics provide SAS programmers with the tools to not only create professional and colorful maps, but also the ability to display spatial data in a meaningful manner that aids in understanding of changes that have transpired. This paper illustrates the creation of a number of different maps for displaying change over time with examples from the healthcare arena. Examples include choropleth, bubble, and distance maps and introduce the new GEOCODE procedures.
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