Research Article

Uncertainty Analysis of Knowledge Reductions in Rough Sets

Table 2

The confidence of rules in Table 1.

RulesConditional attributesDecision attributeValidity
abcdefgκ

1NNNGGNN1
2YNNGGNS1
3YYNGGNN1/3
4YYNGGNS2/3
5YYNGBYN1/3
6YYNGBYS2/3
7YYNBBYN1/5
8YYNBBYS4/5
9YYYBBYS1/2
10YYYBBYL1/2

Notes: κ-confidence, others are the same as in Table 1.