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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.