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## 11 Manipulating variables

The variables in the active dataset dictionary are important. There are several utility functions for examining and adjusting them.

• ADD VALUE LABELS |  | Add value labels to variables.
• DELETE VARIABLES |  | Delete variables.
• DISPLAY |  | Display information about the active dataset.
• FORMATS |  | Set print and write formats.
• LEAVE |  | Don’t clear variables between cases.
• MISSING VALUES |  | Set missing values for variables.
• MODIFY VARS |  | Rename, reorder, and drop variables.
• MRSETS |  | Add, modify, and list multiple response sets.
• NUMERIC |  | Create new numeric variables.
• PRINT FORMATS |  | Set variable print formats.
• RENAME VARIABLES |  | Rename variables.
• SORT VARIABLES |  | Reorder variables.
• VALUE LABELS |  | Set value labels for variables.
• STRING |  | Create new string variables.
• VARIABLE ATTRIBUTE |  | Set custom attributes on variables.
• VARIABLE LABELS |  | Set variable labels for 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.
• WRITE FORMATS |  | Set variable write formats.

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