Postdoc @ HDSI - UC San Diego
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University of California San Diego
- San Diego, California
- http://cseweb.ucsd.edu/~chholtz/
Pinned Loading
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sparse-precision-matrix-estimation
sparse-precision-matrix-estimation PublicSparse precision matrix estimation via lasso/SCAD penalized D-trace loss + locally linear approximation
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LASSO-SCAD
LASSO-SCAD PublicLocal Linear Approximation (LLA) + Iterative Shrinking Threshold Algorithm (ISTA/FISTA) to optimize LASSO + smoothly clipped absolute deviation (SCAD) penalty
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HUBER-RILS
HUBER-RILS PublicHuber Loss w/ Reweighted Iterative Least Squares for robust covariance estimation
Python 1
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netflix_als
netflix_als PublicAlternating least squares for regularized collaborative filtering
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null-space-rayleigh-quotient-iteration
null-space-rayleigh-quotient-iteration PublicEfficient implementation of a null-space Rayleigh Quotient Iteration in Jax with sparse matrices. Works on the GPU!
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simultaneous-graph-clustering-and-layout
simultaneous-graph-clustering-and-layout PublicFISTA for simultaneous graph clustering and layout
Jupyter Notebook
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