Creating Two-Way Tables
So
far, you have used the FREQ procedure to create one-way frequency
tables. However, it is often helpful to crosstabulate frequencies
of two or more variables. For example, census data is typically
crosstabulated with a variable that represents geographical
regions.
The simplest crosstabulation is a two-way table. To create a
two-way table, join two variables with an asterisk (*) in the
TABLES statement of a PROC FREQ step.
|
General form, TABLES statement
for crosstabulation:
TABLES variable-1 *variable-2
<* ...
variable-n>;
where (for two-way tables)
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When crosstabulations are specified, PROC FREQ produces tables with cells ...
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