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## 6 The PSPP language

This chapter discusses elements common to many PSPP commands. Later chapters will describe individual commands in detail.

• Tokens: |  | Characters combine to form tokens.
• Commands: |  | Tokens combine to form commands.
• Syntax Variants: |  | Batch vs. Interactive mode
• Types of Commands: |  | Commands come in several flavors.
• Order of Commands: |  | Commands combine to form syntax files.
• Missing Observations: |  | Handling missing observations.
• Datasets: |  | Data organization.
• Files: |  | Files used by PSPP.
• File Handles: |  | How files are named.
• BNF: |  | How command syntax is described.