Scalable inference for crossed random effects models

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Abstract/Contents

Abstract
Crossed random effects models are widely used in statistics for modeling data with crossed structure with applications ranging from political science to recommendation systems. However, the computational costs of estimation and inference of the crossed random effects models limit its application on large-scale data sets. With N observations, the cost of computing maximum likelihood estimates scales as O(N^{3/2}) at best. A similar situation arises for Bayesian inference, where the Gibbs sampler takes O(N^{1/2}) iterations to converge, leading once again to a total cost of O(N^{3/2}). In this talk, we propose a variant of backfitting algorithm in the context of likelihood based inference to compute a generalized least squares estimate each iteration of which costs O(N) and provably converges in O(1) iterations. We illustrate our method on a data set from Stitch Fix. We shall also briefly discuss provably-scalable variants of standard approaches besides likelihood based inference.

Description

Type of resource text
Form electronic resource; remote; computer; online resource
Extent 1 online resource.
Place California
Place [Stanford, California]
Publisher [Stanford University]
Copyright date 2022; ©2022
Publication date 2022; 2022
Issuance monographic
Language English

Creators/Contributors

Author Ghosh, Swarnadip
Degree supervisor Hastie, Trevor
Degree supervisor Owen, Art B
Thesis advisor Hastie, Trevor
Thesis advisor Owen, Art B
Thesis advisor Athey, Susan
Thesis advisor Linderman, Scott
Degree committee member Athey, Susan
Degree committee member Linderman, Scott
Associated with Stanford University, Department of Statistics

Subjects

Genre Theses
Genre Text

Bibliographic information

Statement of responsibility Swarnadip Ghosh.
Note Submitted to the Department of Statistics.
Thesis Thesis Ph.D. Stanford University 2022.
Location https://purl.stanford.edu/vb765vv9433

Access conditions

Copyright
© 2022 by Swarnadip Ghosh
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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