findFirstConditionReduct: FIND FIRST CONDITION REDUCT
In RoughSetKnowledgeReduction: Simplification of Decision Tables using Rough Sets

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

Of the many possible condition reducts in a Decision Table, it returns the first found.

1	findFirstConditionReduct(object)

object

A Decision Table object

It returns one condition reduct object with the least number of conditions. This reduct belongs to the family of the smallest reducts of the decision table. It may be the only one.

Alber Sanchez alber.sanchez@uni-muenster.de

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

DecisionTable-class,findSmallestReductFamilyFromCore,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)
c2 <- findFirstConditionReduct(dt)