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Rick Aster: Professional SAS Programming Secrets: Contents

Chapter 11
Program 11c
Value formats for logical variables

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*
  Professional SAS Programming Secrets
  Program 11c
  Value formats for logical variables
*;

proc format;
value yes
    0 = 'no'
    1 = 'yes'
    ;
value on
    0 = 'off'
    1 = 'on'
    ;
value boolean
    0 = 'false'
    1 = 'true'
    ;
run;