Communication-efficient sparse regression: a one-shot approach

March 14, 2015 ยท Declared Dead ยท ๐Ÿ› arXiv.org

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Authors Jason D. Lee, Yuekai Sun, Qiang Liu, Jonathan E. Taylor arXiv ID 1503.04337 Category stat.ML: Machine Learning (Stat) Cross-listed cs.LG Citations 68 Venue arXiv.org Last Checked 6 months ago
Abstract
We devise a one-shot approach to distributed sparse regression in the high-dimensional setting. The key idea is to average "debiased" or "desparsified" lasso estimators. We show the approach converges at the same rate as the lasso as long as the dataset is not split across too many machines. We also extend the approach to generalized linear models.
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