Extension Commands
In addition to the commands available in the Core system and add-on modules, there are numerous extension commands available for use with IBM® SPSS® Statistics. Extension commands are IBM SPSS Statistics commands that are implemented in the Python ®, R, or Java programming language. For example, IBM SPSS Statistics - Essentials for Python, which is installed by default with IBM SPSS Statistics, includes a set of Python extension commands that are installed with SPSS Statistics. And IBM SPSS Statistics - Essentials for R, which is available from the IBM SPSS Predictive Analytics community at https://developer.ibm.com/predictiveanalytics/predictive-extensions/, includes a set of extension commands that are implemented in the R programming language. Many more extension commands are hosted on the IBM SPSS Predictive Analytics collection on GitHub and available from the Extension Hub, which is accessed from .
STATS TABLE CALC /HELP.
The
command syntax help is not, however, integrated with the SPSS Statistics Help
system and is not included in the Command Syntax Reference. Extension commands that are not
authored by IBM Corp. might
follow the convention of providing documentation with the HELP subcommand or the F1
key.Information on writing your own extension commands is available from the following sources:
- The article "Writing IBM SPSS Statistics Extension Commands", available from the IBM SPSS Predictive Analytics community at https://developer.ibm.com/predictiveanalytics/.
- The chapter on Extension Commands in Programming and Data Management for IBM SPSS Statistics, which is also available from the IBM SPSS Predictive Analytics community.