At Meta, research permeates everything we do. We believe the most interesting research questions are derived from real world problems.

After Fabian's post on the topic, I have recently returned to thinking about the subject of sparse singular value decompositions (SVDs) in Python. For those who haven't used it, the SVD is an extremely powerful technique. It is the core routine of many applications, from filtering to dimensionality reduction to graph analysis to supervised classification and much, much more. I first came across th
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