Think about a company like Amazon and the common "Customers who purchased X also purchased y" feature. If Amazon were to create a classification tree, how many branches and nodes could it have?
举个例子,亚马逊这样的公司常常使用“购买了X的顾客还购买了Y ”特性,如果亚马逊拟创建一个分类树,那么它将需要多少分支和节点?
Think of this another way: If you only used regression models, which produce a numerical output, how would Amazon be able to tell you "other Customers Who Bought X Also Bought y?"
不妨从另一个角度考虑这件事情:如果您只使用能生成数值输出的回归模型,那么Amazon如何能告知您“购买了X产品的客户还购买了Y产品”?
Right when you think you're done, Doug gets more customers ... and they all have different requirements on how the dog door should work!
正好在您认为完成的时候,Doug 有了更多的客户,他们对狗门应该如何工作都有不同的需求!
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