LDA 模型介绍
LDA经典paper值得一看。WedescribelatentDirichletallocation(LDA),agenerativeprobabilisticmodelforcollectionsof
discretedatasuchastextcorpora.LDAisathree-levelhierarchicalBayesianmodel,inwhicheach
itemofacollectionismodeledasafinitemixtureoveranunderlyingsetoftopics.
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