The second was classification (also known as classification tree or decision tree), which can be used to create an actual branching tree to predict the output value of an unknown data point.
第二种技术是分类（即分类树或决策树），用来创建一个实际的分支树来预测某个未知数据点的输出值。
At this point the user can see the full history of their interactions all onscreen at once, side-by-side, making it easier and more natural to work with the branching nature of such queries.
此时，用户能够同时查看交互的全部历史，更易于处理这种分支性质的查询。
They label the node point or branching of the tree.
这些标签的节点或分支点的树。
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