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## 13 Selecting data for analysis

This chapter documents PSPP commands that temporarily or permanently select data records from the active dataset for analysis.

• FILTER: |  | Exclude cases based on a variable.
• N OF CASES: |  | Limit the size of the active dataset.
• SAMPLE: |  | Select a specified proportion of cases.
• SELECT IF: |  | Permanently delete selected cases.
• SPLIT FILE: |  | Do multiple analyses with one command.
• TEMPORARY: |  | Make transformations’ effects temporary.
• WEIGHT: |  | Weight cases by a variable.