11 Manipulating Variables
Every value in a dataset is associated with a variable. Variables describe what the values represent and properties of those values, such as the format in which they should be displayed, whether they are numeric or alphabetic and how missing values should be represented. There are several utility commands for examining and adjusting variables.
| • DISPLAY | Display information about the active dataset. | |
|---|---|---|
| • NUMERIC | Create new numeric variables. | |
| • STRING | Create new string variables. | |
| • RENAME VARIABLES | Rename variables. | |
| • SORT VARIABLES | Reorder variables. | |
| • DELETE VARIABLES | Delete variables. | |
| • VARIABLE LABELS | Set variable labels for variables. | |
| • PRINT FORMATS | Set variable print formats. | |
| • WRITE FORMATS | Set variable write formats. | |
| • FORMATS | Set print and write formats. | |
| • VALUE LABELS | Set value labels for variables. | |
| • ADD VALUE LABELS | Add value labels to variables. | |
| • MISSING VALUES | Set missing values for variables. | |
| • VARIABLE ATTRIBUTE | Set custom attributes on variables. | |
| • VARIABLE ALIGNMENT | Set the alignment for display. | |
| • VARIABLE WIDTH | Set the display width. | |
| • VARIABLE LEVEL | Set the measurement level. | |
| • VARIABLE ROLE | Set the role that a variable fills in analysis. | |
| • VECTOR | Declare an array of variables. | |
| • MRSETS | Add, modify, and list multiple response sets. | |
| • LEAVE | Don’t clear variables between cases. |