Regularization methods for learning incomplete matrices

Details Regularization methods for learning incomplete matrices Regularization methods for learning incomplete matrices

2009-06-11

arxiv.org/abs/0906.2034v1

Statistics

Machine Learning

10 pages, 1 figure

Scientific paper

We use convex relaxation techniques to provide a sequence of solutions to the matrix completion problem. Using the nuclear norm as a regularizer, we provide simple and very efficient algorithms for minimizing the reconstruction error subject to a bound on the nuclear norm. Our algorithm iteratively replaces the missing elements with those obtained from a thresholded SVD. With warm starts this allows us to efficiently compute an entire regularization path of solutions.

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