From: Integrated measures for rough sets based on general binary relations
X | \( \underline{{R_{T}^{P} }} (X) \) | \( \underline{{R_{T}^{Q} }} (X) \) | \( \overline{{R_{T}^{P} }} (X) \) | \( \overline{{R_{T}^{Q} }} (X) \) | \( BN_{{R_{T}^{P} }} (X) \) | \( BN_{{R_{T}^{Q} }} (X) \) |
---|---|---|---|---|---|---|
X 1 | {u 1, u 2} | {u 1, u 2} | {u 1, u 2, u 6, u 7} | {u 1, u 2, u 6, u 7} | {u 6, u 7} | {u 6, u 7} |
X 2 | \( \emptyset \) | \( \emptyset \) | {u 1, u 2, u 3, u 4, u 5} | {u 1, u 2, u 3, u 4} | {u 1, u 2, u 3, u 4, u 5} | {u 1, u 2, u 3, u 4} |