4 The PSPP language

Please note: PSPP is not even close to completion. Only a few statistical procedures are implemented. PSPP is a work in progress.

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.
• Types of Commands: Commands come in several flavors.
• Order of Commands: Commands combine to form syntax files.
• Missing Observations: Handling missing observations.
• Variables: The unit of data storage.
• Files: Files used by PSPP.
• BNF: How command syntax is described.