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聚类和分类的最基本区别。
2022-06-25 06:33:00 【dream_uping】
聚类和分类的最基本区别。
分类简单来说,就是根据文本的特征或属性,划分到已有的类别中。
也就是说,这些类别是已知的,通过对已知分类的数据进行训练和学习,找到这些不同类的特征,再对未分类的数据进行分类。
而聚类的理解更简单,就是你压根不知道数据会分为几类,通过聚类分析将数据或者说用户聚合成几个群体,那就是聚类了。
聚类不需要对数据进行训练和学习。
分类属于监督学习,聚类属于无监督学习。
常见的分类比如决策树分类算法、贝叶斯分类算法等。
聚类的算法最基本的有系统聚类,K-means均值聚类,这些都很常见,网上资料一大推,不再赘述。
作者:华天清
链接:https://www.zhihu.com/question/42044303/answer/102223996
来源:知乎
著作权归作者所有。商业转载请联系作者获得授权,非商业转载请注明出处。
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