Barbara91's question (Italian->English): "Good morning, sorry for the intrusion, but working with SAS I found the use of MATCHNUM, but I do not know what you're referring to, could you help me?"
MATCHNUM is just a user-defined format in their program to convert the values of the matchnum_code variable into another form better for readers of the graphics output. You can create these formats using PROC FORMAT.
Hope this helps!
Dan
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