?? iris.dt
字號:
/*---------------------------------------------------------------------- domains----------------------------------------------------------------------*/dom(petal_length) = IR [1, 6.9];dom(petal_width) = IR [0.1, 2.5];dom(iris_type) = { Iris-setosa, Iris-versicolor, Iris-virginica };/*---------------------------------------------------------------------- decision tree----------------------------------------------------------------------*/dtree(iris_type) ={ (petal_length|2.45) <:{ Iris-setosa: 50 }, >:{ (petal_width|1.75) <:{ (petal_length|5.35) <:{ (petal_length|4.95) <:{ Iris-versicolor: 47, Iris-virginica: 1 }, >:{ (petal_width|1.55) <:{ Iris-virginica: 2 }, >:{ Iris-versicolor: 2 }}}, >:{ Iris-virginica: 2 }}, >:{ Iris-versicolor: 1, Iris-virginica: 45 }}};/*---------------------------------------------------------------------- number of attributes: 3 tree height : 6 number of nodes : 11 number of tuples : 150----------------------------------------------------------------------*/?? 快捷鍵說明
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