findFirstConditionReduct: FIND FIRST CONDITION REDUCT

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

Description

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

Usage

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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 [email protected]

References

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

See Also

DecisionTable-class,findSmallestReductFamilyFromCore,findAllReductsFromCore,computeCore

Examples

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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)

RoughSetKnowledgeReduction documentation built on May 30, 2017, 8:13 a.m.