You’re considering getting your own copy of SPSS on your personal computer and you begin to browse for the program online (although if you have an AU-owned computer, you can just get it installed from us).  You want more than the free trial version that the makers of SPSS offers but you don’t want to pay the price. What to do? There is an option (a FREE option, if we may add) out there that may help: PSPP.

What is PSPP?

PSPP is a free software application for statistical analysis. It is intended to be a free replacement of the proprietary program SPSS. When you open PSPP, you’ll find that the interface looks very similar to SPSS with a few exceptions. All functionality that PSPP currently supports is in the core package.

PSPP has a data view tab (spreadsheet), a variable view tab (to create variables and define their characteristics) and has an easy to use point-and-click interface.

From the PSPP website: PSPP can perform descriptive statistics, T-tests, linear regression and non-parametric tests. Its backend is designed to perform its analyses as fast as possible, regardless of the size of the input data. You can use PSPP with its graphical interface or the more traditional syntax commands.

Again, PSPP is very similar to SPSS.  Even the output window is comparable to SPSS.

A brief list of some of the features of PSPP follows:

  • Supports over 1 billion cases.
  • Supports over 1 billion variables.
  • Syntax and data files are compatible with SPSS.
  • Choice of terminal or graphical user interface.
  • Choice of text, postscript or html output formats.
  • Inter-operates with Gnumeric, OpenOffice.org  and other free software.
  • Easy data import from spreadsheets, text files and database sources.
  • Fast statistical procedures, even on very large data sets.
  • No license fees.
  • No expiration period.
  • No unethical “end user license agreements”.
  • Fully indexed user manual.
  • Free Software; licensed under GPLv3 or later.
  • Cross platform; Runs on many different computers and many different operating systems.

Visit PSPP’s website to learn more about the software and information on how install it.  Don’t forget to look closely at the different installation instructions for PCs and Macs.

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