Topics in high-dimensional asymptotics

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Abstract/Contents

Abstract
Many multivariate statistics problems of current interest involve data with a large sample size and a large dimension. In this thesis we study several problems in this area. We work in the framework of high-dimensional asymptotics, where both the sample size and the dimension grow to infinity, such that their aspect ratio converges to a constant. In this setting, we leverage and further develop results from random matrix theory for the analysis of correlated multivariate data. Our first problem develops a fundamental new computational tool to numerically find the limiting empirical eigenvalue spectrum of sample covariance matrices. Our second problem uses this to develop new tests in PCA under local alternatives. Our third problem studies the problem of PCA from linearly modulated data, arising in missing data and deconvolution problems.

Description

Type of resource text
Form electronic; electronic resource; remote
Extent 1 online resource.
Publication date 2017
Issuance monographic
Language English

Creators/Contributors

Associated with Dobriban, Edgar
Associated with Stanford University, Department of Statistics.
Primary advisor Donoho, David Leigh
Thesis advisor Donoho, David Leigh
Thesis advisor Johnstone, Iain
Thesis advisor Owen, Art B
Advisor Johnstone, Iain
Advisor Owen, Art B

Subjects

Genre Theses

Bibliographic information

Statement of responsibility Edgar Dobriban.
Note Submitted to the Department of Statistics.
Thesis Thesis (Ph.D.)--Stanford University, 2017.
Location electronic resource

Access conditions

Copyright
© 2017 by Edgar Dobriban
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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