RoughSetKnowledgeReduction (version 0.1)

computeCore: COMPUTE CORE

Description

It computes the core conditions of a Decision Table object using a Discernibility Matrix object.

Usage

computeCore(object)

Arguments

object

A Discernibility Matrix object

Value

References

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

See Also

DiscernibilityMatrix-class,computeDiscernibilityMatrix,findFirstConditionReduct,findSmallestReductFamilyFromCore,findAllReductsFromCore

Examples

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)
disMatDT <- new(Class="DecisionTable",decisionTable = exampleMatrix2)
dm <- computeDiscernibilityMatrix(disMatDT)
core <- computeCore(dm)