Research Article
Extended Tolerance Relation to Define a New Rough Set Model in Incomplete Information Systems
Table 1
An example of dataset with missing values.
| Cases | Temperature | Headache | Nausea | Decision (flu) |
| | High | * | No | Yes | | Very high | Yes | Yes | Yes | | * | No | No | No | | High | Yes | Yes | Yes | | High | * | Yes | No | | Normal | Yes | No | No | | Normal | No | Yes | No | | * | Yes | * | Yes |
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