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## 12 Data transformations

The pspp procedures examined in this chapter manipulate data and prepare the active dataset for later analyses. They do not produce output, as a rule.

- AGGREGATE: Summarize multiple cases into a single case.
- AUTORECODE: Automatic recoding of variables.
- COMPUTE: Assigning a variable a calculated value.
- COUNT: Counting variables with particular values.
- FLIP: Exchange variables with cases.
- IF: Conditionally assigning a calculated value.
- RECODE: Mapping values from one set to another.
- SORT CASES: Sort the active dataset.