Gaussian Mixture Models (GMMs): from Theory to Implementation

In-depth explanation of GMMs and the Expectation-Maximization algorithm used to train them

Dr. Roi Yehoshua
Towards Data Science
17 min readNov 28, 2023

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Gaussian Mixture Models (GMMs) are statistical models that represent the data as a mixture of Gaussian (normal) distributions. These models can be used to identify groups within the dataset, and to capture the complex, multi-modal structure of data distributions.

GMMs are used in a variety of machine learning applications, including clustering, density…

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Teaching Professor for Data Science and ML at Northeastern University | Top Writer in AI | 200K+ Views on Medium | https://www.linkedin.com/in/roi-yehoshua/