findFirstConditionReduct: FIND FIRST CONDITION REDUCT

In albhasan/RoughSetKnowledgeReduction: Simplification of Decision Tables using Rough Sets

Description

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

Usage

findFirstConditionReduct(object)

Arguments

object

A Decision Table object

Value

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.

Author(s)

Alber Sanchez [e-mail]

References

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

See Also

DecisionTable-class,findSmallestReductFamilyFromCore,findAllReductsFromCore,computeCore

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)
dt <- new(Class="DecisionTable",decisionTable = exampleMatrix2)
c2 <- findFirstConditionReduct(dt)

albhasan/RoughSetKnowledgeReduction documentation built on May 11, 2019, 10:29 p.m.