决策树是机器学习的重要算法之一，主要应用于智能决策，当选择方向多样，资料复杂时，计算机可通过决策树学习之后自主做出选择-The decision tree is one of the machine learning algorithm, mainly used in intelligent decision-making, select the direction of diverse, complex data, the computer through the decision tree learning to make their own choice