findSmallestReductFamilyFromCore: FIND SMALLEST REDUCT FAMILY FROM CORE
In RoughSetKnowledgeReduction: Simplification of Decision Tables using Rough Sets

Description Usage Arguments Value Author(s) References See Also Examples

It returns a set of condition reducts found in a Decision Table object. The Condition Reduct objects returned have the same number of conditions which is the smallest number of condition on a reduct for the given Decision Table object.

1	findSmallestReductFamilyFromCore(object)

object

A Decision Table object

It returns a list of Condition Reduct objects representing the smallest reducts, all of them with the same number of conditions.

Alber Sanchez alber.sanchez@uni-muenster.de

Pawlak, Zdzislaw 1991 Rough Sets: Theoretical Aspects of Reasoning About Data Dordrecht: Kluwer Academic Publishing.

DecisionTable-class,findFirstConditionReduct,findAllReductsFromCore,computeCore

exampleMatrix2 <- matrix(c(1,1,0,1,1,2,2,0,0,0,1,1,1,2,0,0,0,
0,0,0,2,1,0,0,1,2,2,2,1,1,0,0,2,2,2),ncol = 5)
dt <- new(Class="DecisionTable",decisionTable = exampleMatrix2)
listCr <- findSmallestReductFamilyFromCore(dt)