Questions tagged [gmm]

For questions about Gaussian mixture models (GMMs).

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How can I compute the AUC by using Gaussian Mixture Model?

By using this code, can I compute the AUC: ...
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Finding clusters of 3D points where not all the points belong to a cluster

In my research, I'm trying to find clusters of brain activity, like in the following image: Where the red dots represent the origin of the activity (where the green pole is the direction). So ...
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262 views

Implementing Gaussian Mixture Model from scratch on an Image dataset

I recently learned about GMM. From what I understand it basically gives a probability that a given data point belongs to a specific cluster. I need to implement GMM on the STL10 training dataset with ...
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1answer
68 views

Why Gaussian mixture model uses Expectation maximization instead of Gradient descent?

Why Gaussian mixture model uses Expectation maximization instead of Gradient descent? What other models uses Expectation maximization to find best optimal parameters instead of using gradient descent?
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Gaussian Mixture Models Clustering

When using the EM algorithm in Gaussian Mixture Models (GMM), in the E-step, we take each x set in the training dataset to calculate and update the "weight" and parameters of each Gaussian ...
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1answer
72 views

Which algorithm or tool to use to classify as good or bad?

I have a feature vector with different data types, Considering all the data in that feature vector. I have to classify as Good or Bad. Which algorithm should be used to just get the output Good or ...