statement allows for the creation of new names to alias, or to provide an alternative reference to, names in a program. This can be used to shorten, or lengthen, variable names, or to match names in a dictionary with preexisting code using a certain naming convention.
In both examples, P14_AGE
, and P16_SEX
are the names of items declared in a dictionary. Once the alias
statement has been specified (in PROC GLOBAL
), the names P14
can be used interchangeably. For example, these two statements are identical: