Cost-Sensitive Attribute Reduction in Decision-Theoretic Rough Set Models

Table 1

The loss function matrix.

	𝑎𝑃	𝑎𝐵	𝑎𝑁
𝑋	𝜆𝑃𝑃	𝜆𝐵𝑃	𝜆𝑁𝑃
𝑋^𝑐	𝜆𝑃𝑁	𝜆𝐵𝑁	𝜆𝑁𝑁