User Guide

186
Chapter 9

Date and time aggregation and extraction functions
 Missing-value functions
 Cross-case functions
 String functions
Figure 9-9
Compute Vari
able dialog box displaying function grouping
Functions are organized into logically distinct groups, such as a group for arithmetic
operations and another for computing statistical metrics. For convenience, a number
of commonly used system variables, such as $TIME (current date and time), are also
included in appropriate function groups. A brief description of the currently selected
function (in this case,
SUM) or system variable is displayed in a reserved area in the
Compute Variable dialog box.