The Dirichlet Process the Chinese Restaurant Process and other representations

The Dirichlet Process the Chinese Restaurant Process and other representations

This article is the third part of the series on Clustering with Dirichlet Process Mixture Models. The previous time we defined the Finite Mixture Model based on Dirichlet Distribution and we posed questions on how we can make this particular model infinite. We briefly discussed the idea of taking the limit of the model when […]

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Finite Mixture Model based on Dirichlet Distribution

Finite Mixture Model based on Dirichlet Distribution

This blog post is the second part of an article series on Dirichlet Process mixture models. In the previous article we had an overview of several Cluster Analysis techniques and we discussed some of the problems/limitations that rise by using them. Moreover we briefly presented the Dirichlet Process Mixture Models, we talked about why they […]

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Overview of Cluster Analysis and Dirichlet Process Mixture Models

Overview of Cluster Analysis and Dirichlet Process Mixture Models

In the ISO research project for my MSc in Machine Learning at Imperial College London, I focused on the problem of Cluster Analysis by using Dirichlet Process Mixture Models. The DPMMs is a “fully-Bayesian” unsupervised learning technique which unlike other Cluster Analysis methods does not require us to predefine the total number of clusters within […]

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