Two New Reduction Definitions of Decision Table
There are two reduction definitions in classical RS theory. When these definitions are used to reduce inconsistent decision table, reduction results could be indifferent. This paper presents two new concepts, mean decision power decision information entropy, by analyzing those results. Subsequently, this paper proposes two new reduction definitions based that two concepts. When the new definitions are used to reduce inconsistent decision table, the reduction results are uniform, and it is analyzed in theory and tested in practice. In addition, the reduction results can more accurately reflect decision ability of decision table.