Synopsis
This operator generated a set of association rules for a given set of frequent item sets.
Description
This operator generates association rules from frequent item sets. In RapidMiner, the process of frequent item set mining is divided into two parts: first, the generation of frequent item sets and second, the generation of association rules from these sets.
For the generation of frequent item sets, you can use for example the operator FPGrowth. The result will be a set of frequent item sets which could be used as input for this operator.
Input
- item sets: expects: FrequentItemSets
Output
- rules:
Parameters
- criterion: The criterion which is used for the selection of rules
- min confidence: The minimum confidence of the rules
- min criterion value: The minimum value of the rules for the selected criterion
- gain theta: The Parameter Theta in Gain calculation
- laplace k: The Parameter k in LaPlace function calculation