Chapter 15: Describing SAS Functions
Introduction
You have already seen a number of SAS functions in earlier chapters of this book. This chapter explores some of the most useful SAS functions that work with numeric and character data.
To review, SAS functions either return some system value or perform some calculation and return a value. Here are some useful facts about SAS functions:
● All SAS function names are followed by zero or more arguments, placed in parentheses following the function name.
● Although there are some exceptions, arguments to SAS functions can be variable names (the most common type of argument), constants (numbers for numeric functions, character values in quotation marks for character arguments), expressions (such ...
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