Authors
Ruijian Han, Lan Luo, Yuanhang Luo, Yuanyuan Lin, Jian Huang
Published in
Journal of the American Statistical Association. Jun 04, 2026. Epub Jun 04, 2026.
Abstract
Online statistical inference facilitates real-time analysis of sequentially collected data, making it different from traditional methods that rely on static datasets. This article introduces a novel approach to online inference in high-dimensional generalized linear models, where we update regression coefficient estimates and their standard errors upon each new data arrival. In contrast to existing methods that either require full dataset access or large-dimensional summary statistics storage, our method operates in a single-pass mode, significantly reducing both time and space complexity. The core of our methodological innovation lies in an adaptive stochastic gradient descent algorithm tailored for dynamic objective functions, coupled with a novel online debiasing procedure. This allows us to maintain low-dimensional summary statistics while effectively controlling the optimization error introduced by the dynamically changing loss functions. We establish the asymptotic normality of our proposed Adaptive Debiased Lasso (ADL) estimator. We conduct extensive simulation experiments to show the statistical validity and computational efficiency of our ADL estimator across various settings. Its computational efficiency is further demonstrated via a real data application to the spam email classification. Supplementary materials for this article are available online, including a standardized description of the materials available for reproducing the work.
PMID:
42453654
Bibliographic data and abstract were imported from PubMed on 15 Jul 2026.
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