中文说明：对数据集进行分类,压缩包里带有训练集，通过对训练集里的 属性进行增益计算，得到最后花所属的类别，树是二叉树的形式
English Description：
To classify data set, compression bag with a training set of gain calculation of the property through the training set, and get the type of flower, the tree is in the form of a binary tree