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We introduce a new method for two-sample testing of high-dimensional linear regression coefficients without assuming that those coefficients are individually estimable. The procedure works by first projecting the matrices of covariates and…

统计理论 · 数学 2023-05-11 Fengnan Gao , Tengyao Wang

We propose a high dimensional mean test framework for shrinking random variables, where the underlying random variables shrink to zero as the sample size increases. By pooling observations across overlapping subsets of dimensions, we…

统计方法学 · 统计学 2026-02-11 Liujun Chen , Chen Zhou

I propose two U-statistics to test coefficients in generalized linear models. One of them is used to deal with global hypothesis and the other one to test with the nuisance parameter. Both the statistics proposed are within high-dimensional…

应用统计 · 统计学 2013-12-03 Gong Zi Jiang Nan

For a set of dependent random variables, without stationary or the strong mixing assumptions, we derive the asymptotic independence between their sums and maxima. Then we apply this result to high-dimensional testing problems, where we…

统计方法学 · 统计学 2022-05-12 Long Feng , Tiefeng Jiang , Xiaoyun Li , Binghui Liu

This paper considers the problem of testing whether there exists a non-negative solution to a possibly under-determined system of linear equations with known coefficients. This hypothesis testing problem arises naturally in a number of…

计量经济学 · 经济学 2021-09-16 Zheng Fang , Andres Santos , Azeem M. Shaikh , Alexander Torgovitsky

A common problem in genetics is that of testing whether a set of highly dependent gene expressions differ between two populations, typically in a high-dimensional setting where the data dimension is larger than the sample size. Most…

统计方法学 · 统计学 2015-03-11 Måns Thulin

In this paper we consider testing the equality of probability vectors of two independent multinomial distributions in high dimension. The classical chi-square test may have some drawbacks in this case since many of cell counts may be zero…

统计理论 · 数学 2017-11-16 Amanda Plunkett , Junyong Park

Monte Carlo experiments produce samples in order to estimate features of a given distribution. However, simultaneous estimation of means and quantiles has received little attention, despite being common practice. In this setting we…

统计计算 · 统计学 2020-04-24 Nathan Robertson , James M. Flegal , Dootika Vats , Galin L. Jones

High-dimensional tests are applied to find relevant sets of variables and relevant models. If variables are selected by analyzing the sums of products matrices and a corresponding mean-value test is performed, there is the danger that the…

统计方法学 · 统计学 2012-02-10 Juergen Laeuter , Maciej Rosolowski , Ekkehard Glimm

We study the problem of testing for the presence of random effects in mixed models with high-dimensional fixed effects. To this end, we propose a rank-based graph-theoretic approach to test whether a collection of random effects is zero.…

统计方法学 · 统计学 2025-06-10 Lynna Chu , Yichuan Bai

Several approaches to testing the hypothesis that two histograms are drawn from the same distribution are investigated. We note that single-sample continuous distribution tests may be adapted to this two-sample grouped data situation. The…

数据分析、统计与概率 · 物理学 2008-04-03 Frank C. Porter

Nonparametric two sample testing deals with the question of consistently deciding if two distributions are different, given samples from both, without making any parametric assumptions about the form of the distributions. The current…

统计理论 · 数学 2014-11-25 Aaditya Ramdas , Sashank J. Reddi , Barnabas Poczos , Aarti Singh , Larry Wasserman

We propose optimal Bayesian two-sample tests for testing equality of high-dimensional mean vectors and covariance matrices between two populations. In many applications including genomics and medical imaging, it is natural to assume that…

统计方法学 · 统计学 2021-12-07 Kyoungjae Lee , Kisung You , Lizhen Lin

In this paper, we study inference for high-dimensional data characterized by small sample sizes relative to the dimension of the data. In particular, we provide an infinite-dimensional framework to study statistical models that involve…

统计理论 · 数学 2010-02-25 Jim Kuelbs , Anand N. Vidyashankar

We formulate nonparametric and semiparametric hypothesis testing of multivariate stationary linear time series in a unified fashion and propose new test statistics based on estimators of the spectral density matrix. The limiting…

统计理论 · 数学 2009-09-03 Yoshihiro Yajima , Yasumasa Matsuda

This paper aims to develop an effective model-free inference procedure for high-dimensional data. We first reformulate the hypothesis testing problem via sufficient dimension reduction framework. With the aid of new reformulation, we…

统计方法学 · 统计学 2022-05-17 Xu Guo , Runze Li , Zhe Zhang , Changliang Zou

We propose tests for the null hypothesis that the law of a complex-valued random vector is circularly symmetric. The test criteria are formulated as $L^2$-type criteria based on empirical characteristic functions, and they are convenient…

统计理论 · 数学 2021-03-22 Norbert Henze , Pierre Lafaye de Micheaux , Simos G. Meintanis

As medical devices become more complex, they routinely collect extensive and complicated data. While classical regressions typically examine the relationship between an outcome and a vector of predictors, it becomes imperative to identify…

统计方法学 · 统计学 2024-05-16 Huaqing Jin , Fei Jiang

Hypothesis testing in high dimensional data is a notoriously difficult problem without direct access to competing models' likelihood functions. This paper argues that statistical divergences can be used to quantify the difference between…

数据分析、统计与概率 · 物理学 2024-08-02 Jeremy J. H. Wilkinson , Christopher G. Lester

This paper considers the problem of multi-sample nonparametric comparison of counting processes with panel count data, which arise naturally when recurrent events are considered. Such data frequently occur in medical follow-up studies and…

统计理论 · 数学 2009-04-21 N. Balakrishnan , Xingqiu Zhao