SAS 要点.xls - comparison operators to express a...

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comparison operators to express a condition in th Symbol arithme Operator Action - ** * / + - logical operators Operator Meaning Meaning = or eq equal to ^= or ne not equal to > or gt greater than < or lt less than >= or ge greater than or equal to <= or le less than or equal to negative prefix exponentiation multiplication division addition subtraction AND or & and, both. If both expressions are true, then the compound expression is true. OR or | or, either. If either expression is true, then the compound expression is true.
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not Not^ or ~
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he WHERE statement: When writin Operator
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