Rough set

Rough set theory is a mathematical framework for dealing with uncertainty and vagueness in data analysis and knowledge representation. Introduced by Zdzisław Pawlak in the early 1980s, it provides a way to approximate sets when the information available is incomplete or imprecise. ### Key Concepts of Rough Set Theory: 1. **Indiscernibility Relation**: In rough set theory, objects are considered indiscernible if they cannot be distinguished based on the available attributes.