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The goal of anomaly detection is to identify anomalous samples from normal ones. In this paper, a small number of anomalies are assumed to be available at the training stage, but they are assumed to be collected only from several anomaly…

机器学习 · 计算机科学 2022-05-03 Bowen Tian , Qinliang Su , Jian Yin

Detecting genomic footprints of selection is an important step in the understanding of evolution. Accounting for linkage disequilibrium in genome scans allows increasing the detection power, but haplotype-based methods require individual…

In many scientific tasks we are interested in discovering whether there exist any correlations in our data. This raises many questions, such as how to reliably and interpretably measure correlation between a multivariate set of attributes,…

机器学习 · 计算机科学 2019-09-02 Panagiotis Mandros , Mario Boley , Jilles Vreeken

Spatial transcriptomics is a technology that captures gene expression levels at different spatial locations, widely used in tumor microenvironment analysis and molecular profiling of histopathology, providing valuable insights into…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Junzhuo Liu , Markus Eckstein , Zhixiang Wang , Friedrich Feuerhake , Dorit Merhof

Statistical matching methods are widely used in the social and health sciences to estimate causal effects using observational data. Often the objective is to find comparable groups with similar covariate distributions in a dataset, with the…

应用统计 · 统计学 2021-01-19 Felix Bestehorn , Maike Bestehorn , Christian Kirches

While covariance matrices have been widely studied in many scientific fields, relatively limited progress has been made on estimating conditional covariances that permits a large covariance matrix to vary with high-dimensional subject-level…

统计方法学 · 统计学 2025-05-28 Rakheon Kim , Jingfei Zhang

Adaptation to out-of-distribution data is a meta-challenge for all statistical learning algorithms that strongly rely on the i.i.d. assumption. It leads to unavoidable labor costs and confidence crises in realistic applications. For that,…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Jingye Wang , Ruoyi Du , Dongliang Chang , Kongming Liang , Zhanyu Ma

It has been shown that a random-effects framework can be used to test the association between a gene's expression level and the number of DNA copies of a set of genes. This gene-set modelling framework was later applied to find associations…

统计方法学 · 统计学 2015-10-09 Renée Menezes , Leila Mohammadi , Jelle Goeman , Judith Boer

This paper addresses the problem of distributed coding of images whose correlation is driven by the motion of objects or positioning of the vision sensors. It concentrates on the problem where images are encoded with compressed linear…

计算机视觉与模式识别 · 计算机科学 2015-06-03 Vijayaraghavan Thirumalai , Pascal Frossard

Longitudinal gene expression profiles of patients are collected in some clinical studies to monitor disease progression and understand disease etiology. The identification of gene sets that have coordinated changes with relevant clinical…

统计方法学 · 统计学 2016-09-27 Jiehuan Sun , Jose D. Herazo-Maya , Xiu Huang , Naftali Kaminski , Hongyu Zhao

Hierarchical Bayesian methods enable information sharing across multiple related regression problems. While standard practice is to model regression parameters (effects) as (1) exchangeable across datasets and (2) correlated to differing…

统计方法学 · 统计学 2021-07-15 Brian L. Trippe , Hilary K. Finucane , Tamara Broderick

Toxicity evaluation of chemical compounds has traditionally relied on animal experiments;however, the demand for non-animal-based prediction methods for toxicology of compounds is increasing worldwide. Our aim was to provide a…

应用统计 · 统计学 2023-02-06 Jun-ichi Takeshita , Akinobu Toyoda , Hidenori Tani , Yasunori Endo , Sadaaki Miyamoto

Many important problems in psychology and biomedical studies require testing for overdispersion, correlation and heterogeneity in mixed effects and latent variable models, and score tests are particularly useful for this purpose. But the…

统计理论 · 数学 2007-06-13 Hongtu Zhu , Heping Zhang

It is frequently of interest to jointly analyze multiple sequences of multiple tests in order to identify simultaneous signals, defined as features tested in multiple studies whose test statistics are non-null in each. In many problems,…

统计方法学 · 统计学 2019-01-16 Sihai Dave Zhao , Yet Tien Nguyen

A method for unsupervised contextual anomaly detection is proposed using a cross-linked pair of Variational Auto-Encoders for assigning a normality score to an observation. The method enables a distinct separation of contextual from…

机器学习 · 统计学 2019-04-02 Yaniv Shulman

Algorithms that detect covariance between pairs of columns in multiple sequence alignments are commonly employed to predict functionally important residues and structural contacts. However, the assumption that co-variance only occurs…

定量方法 · 定量生物学 2014-01-07 Kyle E. Kreth , Anthony A. Fodor

New procedures for detecting a change in the cross-sectional mean of panel data are proposed. The procedures rely on estimating nuisance parameters using certain cross-sectional means across panels using a weighted least squares regression.…

统计方法学 · 统计学 2026-05-07 Charl Pretorius , Heinrich Roodt

In the early days of gene expression data, researchers have focused on gene-level analysis, and particularly on finding differentially expressed genes. This usually involved making a simplifying assumption that genes are independent, which…

应用统计 · 统计学 2021-06-29 Haim Bar , Seojin Bang

Score-based methods have demonstrated their effectiveness in discovering causal relationships by scoring different causal structures based on their goodness of fit to the data. Recently, Huang et al. proposed a generalized score function…

机器学习 · 计算机科学 2024-07-16 Wenjie Wang , Biwei Huang , Feng Liu , Xinge You , Tongliang Liu , Kun Zhang , Mingming Gong

The so called long range correlation properties of DNA sequences are studied using the variance analyses of the density distribution of a single or a group of nucleotides in a model independent way. This new method which was suggested…

生物物理 · 物理学 2007-05-23 A. K. Mohanty , A. V. S. S. Narayana Rao