利用决策树解决经济问题

To Solve the Economy Ploblem with a Policy Decision Tree

利用决策树从几种方案中选择出最优方案,可根据损益期望值的大小进行,若是使效益最大,则取收益期望值最大的方案,若是费用支出或损失最小。

We can use a policy decision tree to select the best plan from several ones according to the value of profit and loss expectation. If we want to make the greatest benefit, we can choose the plan which can get the greatest value of profit espectation.Otherwise, we can choose the one that is the least value of loss expectation, if the cost or loss is the least.