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Cited by 287

The DOI matches its Crossref record; 90 of the 90 references it cites were found in a registry or an index.

A Unified Framework for High-Dimensional Analysis of $M$-Estimators with Decomposable Regularizers

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Negahban, Sahand N., Ravikumar, Pradeep, Wainwright, Martin J., Yu, Bin·2012·Statistical Science

Abstract

High-dimensional statistical inference deals with models in which the the number of parameters $p$ is comparable to or larger than the sample size $n$. Since it is usually impossible to obtain consistent procedures unless $p/n\rightarrow0$, a line of recent work has studied models with various types of low-dimensional structure, including sparse vectors, sparse and structured matrices, low-rank matrices and combinations thereof. In such settings, a general approach to estimation is to solve a regularized optimization problem, which combines a loss function measuring how well the model fits the data with some regularization function that encourages the assumed structure. This paper provides a unified framework for establishing consistency and convergence rates for such regularized $M$-estimators under high-dimensional scaling. We state one main theorem and show how it can be used to re-derive some existing results, and also to obtain a number of new results on consistency and convergence rates, in both $\ell_{2}$-error and related norms. Our analysis also identifies two key properties of loss and regularization functions, referred to as restricted strong convexity and decomposability, that ensure corresponding regularized $M$-estimators have fast convergence rates and which are optimal in many well-studied cases.

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Metadata

Authors
Negahban, S. N., Ravikumar, P., Wainwright, M. J., & Yu, B.
Venue
Statistical Science
Published
2012-11-01
Volume
27
Issue
4
Pages
538-557
ISSN
0883-4237 (ISSN-L)
OpenAlex
W2151825876
Cited by
287
References
90
FWCI
32.06
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: A Unified Framework for High-Dimensional Analysis of $M$-Estimators with Decomposable Regularizers. https://app.cochat.ai/papers/10.1214/12-sts400
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Negahban, S. N., Ravikumar, P., Wainwright, M. J., & Yu, B. (2012). A Unified Framework for High-Dimensional Analysis of $M$-Estimators with Decomposable Regularizers. Statistical Science. https://doi.org/10.1214/12-sts400

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