computeValueReduct: COMPUTE VALUE REDUCT
In RoughSetKnowledgeReduction: Simplification of Decision Tables using Rough Sets

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

It computes the Value Reduct object of the Condition Reduct object. In other words, it removes the superfluous conditions of each rule in the Condition Reduct object.

1	computeValueReduct(object)

object

A Condition Reduct object

It returns an object of type ValueReduct.

Alber Sanchez alber.sanchez@uni-muenster.de

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

ConditionReduct-class,ValueReduct-class,classifyDecisionTable

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)
cr <- new(Class="ConditionReduct",decisionTable = dt,columnIds=c(1,2,4,5))
vr <- computeValueReduct(cr)