MachineLearningID3

决策树之 ID3 算法（待续）

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源数据

Day	OutLook	Temperature	Humidity	Wind	PlayTennis
1	Sunny	Hot	High	Weak	No
2	Sunny	Hot	High	Strong	No
3	Overcast	Hot	High	Weak	Yes
4	Rainy	Mild	High	Weak	Yes
5	Rainy	Cool	Normal	Weak	Yes
6	Rainy	Cool	Normal	Strong	No
7	Overcast	Cool	Normal	Strong	Yes
8	Sunny	Mild	High	Weak	No
9	Sunny	Cool	Normal	Weak	Yes
10	Rainy	Mild	Normal	Weak	Yes
11	Sunny	Mild	Normal	Strong	Yes
12	Overcast	Mild	High	Strong	Yes
13	Overcast	Hot	Normal	Weak	Yes
14	Rainy	Mild	High	Strong	No

决策树

OutLook
    Sunny->Humidity
        High->No
        Normal->Yes
    Overcast->Yes
    Rainy->Wind
        Weak->Yes
        Strong->No

Ref

• http://blog.csdn.net/acdreamers/article/details/44661149
• http://www.cnblogs.com/leoo2sk/archive/2010/09/19/decision-tree.html

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本代码博客地址： 决策树之 ID3 算法