Introduction and Basics
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The PNC2 Rule Induction System is a free software tool, that automatically induces rules from your data using the newly invented PNC2 Cluster Algorithm. An integrated parameter tuning component allows an easy adjustment of the algorithm's behaviour to your particular data without any further knowledge.

The PNC2 Rule Induction System ...

... has a clean and useful user interface  
... projects are set up within a few minutes  
... provides a comprehensive Context-Sensitive Online Help including an introductory One Page Tutorial  
... is free under the terms of the GNU General Public License  

Additionally a DOS command-line version will be available soon.

Note: Be sure to download the newest version of the program at

The following sections introduce relevant aspects of machine learning and describe the basic principles of the PNC2 Rule Induction System.
·What is it all about ?  
Explains the basic task of data-based rule induction to model a system's I/O-behavior.      
·Learn and test data file format  
What is the file format of the learn and test data files  
·The PNC2 Cluster Algorithm  
How does the PNC2 Cluster Algorithm work  
·One page tutorial  
Quick walk through, that illustrates, how to use the PNC2 Rule Induction System to learn a model and validate it using a separate test data set. Start here !!