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Pooling genome-wide association studies of multiple related traits can substantially increase power for detecting genetic variants with pleiotropic effects. ASSET, which exhaustively searches all subsets of studies for association signals,…

统计方法学 · 统计学 2026-04-28 Samuel Anyaso-Samuel , Thong Luong , Fei Qin , Jiyeon Choi , Kai Yu , Paul S. Albert , Jianxin Shi

In this paper, we introduce a novel high-dimensional Factor-Adjusted sparse Partially Linear regression Model (FAPLM), to integrate the linear effects of high-dimensional latent factors with the nonparametric effects of low-dimensional…

统计方法学 · 统计学 2025-01-14 Yanmei Shi , Meiling Hao , Yanlin Tang , Xu Guo

Comparative evaluation of multiple dynamic treatment policies is essential for healthcare and policy decisions, yet conventional longitudinal causal inference methods estimate each in isolation, preventing information sharing across…

机器学习 · 计算机科学 2026-05-28 Wenxin Chen , Weishen Pan , Kyra Gan , Fei Wang

In-context learning (ICL) allows Transformers to adapt to novel tasks without weight updates, yet the underlying algorithms remain poorly understood. We adopt a statistical decision-theoretic perspective by investigating simple binary…

机器学习 · 计算机科学 2026-03-13 Faris Chaudhry , Siddhant Gadkari

It is important to estimate the local average treatment effect (LATE) when compliance with a treatment assignment is incomplete. The previously proposed methods for LATE estimation required all relevant variables to be jointly observed in a…

机器学习 · 统计学 2022-03-22 Kazuhiko Shinoda , Takahiro Hoshino

Emotion cause pair extraction (ECPE), as one of the derived subtasks of emotion cause analysis (ECA), shares rich inter-related features with emotion extraction (EE) and cause extraction (CE). Therefore EE and CE are frequently utilized as…

计算与语言 · 计算机科学 2022-09-12 Shunjie Chen , Xiaochuan Shi , Jingye Li , Shengqiong Wu , Hao Fei , Fei Li , Donghong Ji

Background: Randomized controlled trials are often used to inform policy and practice for broad populations. The average treatment effect (ATE) for a target population, however, may be different from the ATE observed in a trial if there are…

统计方法学 · 统计学 2023-01-19 Trang Quynh Nguyen , Benjamin Ackerman , Ian Schmid , Stephen R. Cole , Elizabeth A. Stuart

Background: Genome-scale metabolic network models and constraint-based modeling techniques have become important tools for analyzing cellular metabolism. Thermodynamically infeasible cy-cles (TICs) causing unbounded metabolic flux ranges…

分子网络 · 定量生物学 2017-11-15 Siu Hung Joshua Chan , Lin Wang , Satyakam Dash , Costas D. Maranas

In this paper, we revisit parameter estimation for multinomial logit (MNL), nested logit (NL), and tree-nested logit (TNL) models through the framework of convex conic optimization. Traditional approaches typically solve the maximum…

计量经济学 · 经济学 2025-09-03 Hoang Giang Pham , Tien Mai , Minh Ha Hoang

Large language models (LLMs) are increasingly used in scientific domains. While they can produce reasoning-like content via methods such as chain-of-thought prompting, these outputs are typically unstructured and informal, obscuring whether…

人工智能 · 计算机科学 2025-11-18 Pengze Li , Jiaqi Liu , Junchi Yu , Lihao Liu , Mingyu Ding , Wanli Ouyang , Shixiang Tang , Xi Chen

We consider nonlinear mixed effects models including high-dimensional covariates to model individual parameters variability. The objective is to identify relevant covariates among a large set under sparsity assumption and to estimate model…

统计理论 · 数学 2025-08-06 Antoine Caillebotte , Estelle Kuhn , Sarah Lemler

Accumulated Local Effect (ALE) is a method for accurately estimating feature effects, overcoming fundamental failure modes of previously-existed methods, such as Partial Dependence Plots. However, ALE's approximation, i.e. the method for…

机器学习 · 计算机科学 2022-10-11 Vasilis Gkolemis , Theodore Dalamagas , Christos Diou

We consider the linear regression problem under semi-supervised settings wherein the available data typically consists of: (i) a small or moderate sized 'labeled' data, and (ii) a much larger sized 'unlabeled' data. Such data arises…

统计方法学 · 统计学 2018-07-02 Abhishek Chakrabortty , Tianxi Cai

Outcome-dependent sampling designs are extensively utilized in various scientific disciplines, including epidemiology, ecology, and economics, with retrospective case-control studies being specific examples of such designs. Additionally, if…

统计方法学 · 统计学 2023-09-22 Min Zeng , Zeyang Jia , Zijian Sui , Jinfeng Xu , Hong Zhang

Since its inception, the modus operandi of multi-task learning (MTL) has been to minimize the task-wise mean of the empirical risks. We introduce a generalized loss-compositional paradigm for MTL that includes a spectrum of formulations as…

机器学习 · 计算机科学 2012-09-14 Nishant A. Mehta , Dongryeol Lee , Alexander G. Gray

A vastly growing literature on explaining deep learning models has emerged. This paper contributes to that literature by introducing a global gradient-based model-agnostic method, which we call Marginal Attribution by Conditioning on…

机器学习 · 统计学 2021-03-23 M. Merz , R. Richman , T. Tsanakas , M. V. Wüthrich

Mixed linear regression is a well-studied problem in parametric statistics and machine learning. Given a set of samples, tuples of covariates and labels, the task of mixed linear regression is to find a small list of linear relationships…

机器学习 · 统计学 2024-06-04 Avishek Ghosh , Arya Mazumdar

Accurate power and sample size estimation are crucial to the design and analysis of genetic association studies. When analyzing a binary trait via logistic regression, important covariates such as age and sex are typically included in the…

统计方法学 · 统计学 2022-10-05 Ziang Zhang , Lei Sun

Post-training quantization (PTQ) has emerged as a promising technique for mitigating memory consumption and computational costs in large language models (LLMs). However, a systematic examination of various quantization schemes, model…

机器学习 · 计算机科学 2023-05-29 Zhewei Yao , Xiaoxia Wu , Cheng Li , Stephen Youn , Yuxiong He

In cluster randomized trials, the average treatment effect among individuals (i-ATE) can be different from the cluster average treatment effect (c-ATE) when informative cluster size is present, i.e., when treatment effects or participant…

统计方法学 · 统计学 2025-10-02 Bryan S. Blette , Zhe Chen , Brennan C. Kahan , Andrew Forbes , Michael O. Harhay , Fan Li