Learning to Play Connect 4: A Study in Attribute Definition for ID3
The use of algorithms such as ID3 to induce decision trees and rule sets requires that a set of attributes or features be defined with which to describe objects to be classified. This problem is considered in an application to the game of Connect 4 where the task is to learn a set of rules with which a program can play to a reasonable standard. The attributes used evaluate the current position of a game from the point of view of both players and therefore, to a limited extent, implement a defensive as well as an offensive strategy. The attributes characterise moves made by the ultimate winners in a series of games played by novice and moderately good players.
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