Xiao-Feng Wang,Deping Ye
Xiao-Feng Wang
This paper is motivated by a wide range of background correction problems in gene array data analysis, where the raw gene expression intensities are measured with error. Estimating a conditional density function from the contaminated expres...
Jian-Lun Xu
Jian-Lun Xu
When an n × 1 random vector X = (X1, …, Xn ) T has a sign-invariant distribution, Strait [J. Multivariate Anal. 4 (1974) 494-496] proved that the expectations of max(0, X1, X1 + X2, …, X1 + Xn ) and max(0, X1, …, Xn ) are equal. In this...
Computationally efficient banding of large covariance matrices for ordered data and connections to banding the inverse Cholesky factor [0.03%]
有序数据的大协方差矩阵的高效计算及与切趾逆斜交因子的连接
Y Wang,M J Daniels
Y Wang
In this article, we propose a computationally efficient approach to estimate (large) p-dimensional covariance matrices of ordered (or longitudinal) data based on an independent sample of size n. To do this, we construct the estimator based ...
Varying coefficient subdistribution regression for left-truncated semi-competing risks data [0.03%]
半竞争风险数据的变系数子分布回归分析
Ruosha Li,Limin Peng
Ruosha Li
Semi-competing risks data frequently arise in biomedical studies when time to a disease landmark event is subject to dependent censoring by death, the observation of which however is not precluded by the occurrence of the landmark event. In...
Joshua D Habiger,Edsel A Peña
Joshua D Habiger
Many multiple testing procedures make use of the p-values from the individual pairs of hypothesis tests, and are valid if the p-value statistics are independent and uniformly distributed under the null hypotheses. However, it has recently b...
Debdeep Pati,David B Dunson,Surya T Tokdar
Debdeep Pati
A wide variety of priors have been proposed for nonparametric Bayesian estimation of conditional distributions, and there is a clear need for theorems providing conditions on the prior for large support, as well as posterior consistency. Es...
On standard conjugate families for natural exponential families with bounded natural parameter space [0.03%]
具有有界自然参数空间的天然指数分布族的标准共轭族
Kurt Hornik,Bettina Grün
Kurt Hornik
Diaconis and Ylvisaker (1979) give necessary conditions for conjugate priors for distributions from the natural exponential family to be proper as well as to have the property of linear posterior expectation of the mean parameter of the fam...
An Optimal Test for Variance Components of Multivariate Mixed-Effects Linear Models [0.03%]
多元混合效应线性模型方差分量的最优检验方法
Subhash Aryal,Dulal K Bhaumik,Thomas Mathew et al.
Subhash Aryal et al.
In this article we derive an optimal test for testing the significance of covariance matrices of random-effects of two multivariate mixed-effects linear models. We compute the power of this newly derived test via simulation for various alte...
A characterization of multivariate normality through univariate projections [0.03%]
基于一维边缘分布刻画多元正态分布
Yongzhao Shao,Ming Zhou
Yongzhao Shao
This paper introduces a new characterization of multivariate normality of a random vector based on univariate normality of linear combinations of its components. ...
A Correlated Random Effects Model for Non-homogeneous Markov Processes with Nonignorable Missingness [0.03%]
非忽略缺失下的非齐次马尔可夫过程相关随机效应模型
Baojiang Chen,Xiao-Hua Zhou
Baojiang Chen
Life history data arising in clusters with prespecified assessment time points for patients often feature incomplete data since patients may choose to visit the clinic based on their needs. Markov process models provide a useful tool descri...