Decision tree: introDuction
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چکیده
Often the medical decision maker will be faced with a sequential decision problem involving decisions that lead to different outcomes depending on chance. If the decision process involves many sequential decisions, then the decision problem becomes difficult to visualize and to implement. Decision trees are indispensable graphical tools in such settings. They allow for intuitive understanding of the problem and can aid in decision making. A decision tree is a graphical model describing decisions and their possible outcomes. Decision trees consist of three types of nodes (see Figure 1):
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