Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...
If you define a numeric variable and assign the result of a character expression to it, SAS tries to convert the character result of the expression to a numeric value and to execute the statement. If ...
operand something to be operated on. An operand can be a variable, a SAS function, or a constant. See Specifying an Operand. operator a symbol that requests a comparison, logical operation, or ...
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