User Guide

131
Data Transform
ations
indicated by question marks (only applies to functions). The function group
labeled
All
provides a listing of all available functions and system variables. A
brief description of the currently selected function or variable is displayed in a
reserved area in the dialog box.
 String constants must be enclosed in quotation marks or apostrophes.
 If values contain decimals, a period (.) must be used as the decimal indicator.
 For new string variables, you must also select Type & Label to specify the data type.
Compute Var
iable: If Cases
The If Cases
dialog box allows you to apply data transformations to selected subsets
of cases, using conditional expressions. A conditional expression returns a value
of true, false,ormissing for each case.
Figure 7-2
ComputeVariableIfCasesdialogbox
 If the result of a conditional expression is true, the case is included in the selected
subset.