Scalable estimation strategies based on stochastic approximations: Classical results and new insights.
Scalable estimation strategies based on stochastic approximations: Classical results and new insights.
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DOI:
10.1007/s11222-015-9560-y
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发表时间:
2015-07-01
影响因子:
2.2
通讯作者:
Toulis P
中科院分区:
文献类型:
--
作者:
Airoldi EM;Toulis P
Estimation with large amounts of data can be facilitated by stochastic gradient methods, in which model parameters are updated sequentially using small batches of data at each step. Here, we review early work and modern results that illustrate the statistical properties of these methods, including convergence rates, stability, and asymptotic bias and variance. We then overview modern applications where these methods are useful, ranging from an online version of the EM algorithm to deep learning. In light of these results, we argue that stochastic gradient methods are poised to become benchmark principled estimation procedures for large data sets, especially those in the family of stable proximal methods, such as implicit stochastic gradient descent.
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