Questions tagged [dirichlet]

The Dirichlet distribution is a family of continuous multivariate probability distributions.

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Tensorflow Probability Example : Gradient Computation Error

I am trying to run example code from tensorflow Probability for Dirichlet Process Mixture Model (https://github.com/tensorflow/probability/blob/master/tensorflow_probability/examples/jupyter_notebooks/...
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Probabilistic model of selecting subsets of words from documents?

Is there an existing probabilistic model that deals with the selection of subsets of words from a corpus of documents? Imagine a stack of documents where a subset of the words in each document has ...
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Where can I learn the complete mathematics involved in LDA?

I have come across Latent Dirichlet Allocation (LDA) on multiple occasions while reading about sentiment analysis and recommender systems. Where can I find good reading material which explains the ...
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Chinese restaurant process vs Dirichlet Process

On Wikipedia Dirichlet Process page, regarding the connection between the Chinese restaurant process and the Dirichlet process it's state the following If one associates draws from the base ...
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573 views

Combine two sets of clusters

I have two sets of topics obtained from two different sets of news paper articles. In other words, Cluster_1 = ${x_1, x_2, ..., x_n}$ includes the main topics of 'X' news paper set and Cluster_2 = ${...
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840 views

How do you work with Latent Dirichlet Allocation in practice

One need to provide LDA with a predefined number of latent topics. Let say I have a text corpus in which I hypothesize there are 10 major topics, all composed of 10 minor subtopics. My objective is to ...