Sam Hopkins

MIT


Proofs to Algorithms in High-Dimensional Statistics (an introduction, with applications to Gaussian Mixture Models)


Statistics Seminar


12th March 2021, 3:00 pm – 4:00 pm
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Abstract: I will give an introduction to a powerful technique for algorithm design in high-dimensional statistics, the “Sum of Squares method”. In recent years, this technique has led to novel polynomial-time algorithms with strong provable guarantees for a wide range of computationally-challenging problems: high-dimensional robust estimation, clustering, learning of latent-variable models, matrix and tensor completion, and more. I will discuss the scope of the method, the basic tools, and then describe one of the early (and simpler) applications, to learning high-dimensional Gaussian mixture models.





Organiser: Juliette Unwin

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