SPSS

SPSS is both an interpreted, static-typed programming language and a proprietary application used to run programs written in the SPSS language. PSPP is a free and open-source application that can alternatively be used to run programs written in the SPSS language, with some important discrepancies.

SPSS and PSPP

IBM has owned SPSS since version 16 and has done their best to erase older versions from history. IBM has also erased the headless mode of operation. Official support and online documentation is only available for versions 25 and later. Beyond that, a user manual in PDF format is distributed with the SPSS application.

PSPP is a GNU project to create a free and open-source application that can run programs written in the SPSS language. The PSPP project fully supports headless operation.

Installing PSPP

Many Linux and BSD operating systems offer a pspp package.

The project no longer maintains an official Windows build.

Data Model

• Data types

• Metadata

• Scratch Variables

• System Variables

• Vectors

Language

• Aggregating Data

• Date Time Functions

• File I/O

• Joining Data

• Logic

• Looping

• Numeric Functions

• Reading Data

• String Functions

Commands

• Add Value Labels

• Aggregate

• Alter Type

• Apply Dictionary

• Cd

• Compute

• Crosstabs

• Dataset

• Delete Variables

• Display

• File Handle

• Filter

• Formats

• Frequencies

• Host

• Leave

• Match Files

• Mult Response

• Missing Values

• Output

• Recode

• Rename Variables

• Select

• Set

• Show

• String

• SysFile Info

• Temporary

• Update File

• Value Labels

• Variable Labels

• Variable Level

• Variable Width

• Vector

Macro Programming

• SPSS Macro Language

Configuration

• Unicode

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