Decision Region

The boundary that distinguishes one class from another in a classification issue is known as a decision region in machine learning. It is the region of the input space that translates to a particular output or class.

To put it another way, a decision region is a boundary or surface that divides the input space into regions or subspaces, each of which is associated with a distinct class or category. The specific method utilised for the classification determines whether the decision boundary is li...