dirichlet分布

in the blog of Jurgen Van Gael, he gave some detail review of dirichlet distribution.http://undirectedgrad.blogspot.com/search/label/iHMM

As in China, we can not visit the blogspot easily, and it is very slow to open. so I have to copy the information here.

In the post, Jurgen Van Gael gave some figures about dirichlet distribution with different concentration numbers. the figures explain the role of the concentration number explicitly.

 

同时,这篇post中提到的一篇文章,Entropy and Inference, Revisited这篇2002的NIPS的文章,讨论了priors的选择问题。post中作者也提到了自己文章中的prior选择不同,生成的ihmm的states的个数也就不同。这个日后,选择prior时,如果有必要需要回头研究一下。

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