I am trying to create multiple graphs for mulptiple locations using a fixed data set. Some variables that I am sorting by do not exisit for some locations, causing my line assignments to change from location to location. Is there a way for SAS to assign a variable to a line, and if that variable does not exist, not use that line in the graph? In otherwords, the variable and line relationship are constant, their appearance on the graph is dependent upon the presence of the variable.
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