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Fast Ridge Regression with Randomized Principal Component Analysis and Gradient Descent
Proceedings of the 30th Conference on Uncertainty in Artificial Intelligence, PMLR R12:471-478, 2014.
Abstract
We propose a new two stage algorithm LING for large scale regression problems. LING has the same risk as the well known Ridge Regres- sion under the fixed design setting and can be computed much faster. Our experiments have shown that LING performs well in terms of both prediction accuracy and computational efficiency compared with other large scale regression al- gorithms like Gradient Descent, Stochastic Gra- dient Descent and Principal Component Regres- sion on both simulated and real datasets.