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Rick Aster: Professional SAS Programming Shortcuts: Contents

Chapter 23
Program
Value informats for validation

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PROC FORMAT;
INVALUE NNZ
   LOW-<0 = 0
   OTHER = _SAME_;
INVALUE NNX
   LOW-<0 = _ERROR_
   OTHER = _SAME_;
INVALUE NU (UPCASE JUST)
   'N/A' = .A
   'UNK.' = .K
   OTHER = (|COMMA12.|);
RUN;