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Non linear mixed effect models are classical tools to analyze non linear longitudinal data in many fields such as population Pharmacokinetic. Groups of observations are usually compared by introducing the group affiliations as binary…

统计计算 · 统计学 2017-09-28 Edouard Ollier , Adeline Samson , Xavier Delavenne , Vivian Viallon

A power constrained sensor network that consists of multiple sensor nodes and a fusion center (FC) is considered, where the goal is to estimate a random parameter of interest. In contrast to the distributed framework, the sensor nodes may…

信息论 · 计算机科学 2012-07-03 Swarnendu Kar , Pramod K. Varshney

Causal inference is made challenging by confounding, selection bias, and other complications. A common approach to addressing these difficulties is the inclusion of auxiliary data on the superpopulation of interest. Such data may measure a…

统计方法学 · 统计学 2024-04-16 Jaron J. R. Lee , AmirEmad Ghassami , Ilya Shpitser

The study of continuous-time information diffusion has been an important area of research for many applications in recent years. When only the diffusion traces (cascades) are accessible, cascade-based network inference and influence…

社会与信息网络 · 计算机科学 2024-05-22 Keke Huang , Ruize Gao , Bogdan Cautis , Xiaokui Xiao

Seeding then expanding is a commonly used scheme to discover overlapping communities in a network. Most seeding methods are either too complex to scale to large networks or too simple to select high-quality seeds, and the non-principled…

社会与信息网络 · 计算机科学 2015-02-27 Changxing Shang , Shengzhong Feng , Zhongying Zhao , Jianping Fan

We consider a power-constrained sensor network, consisting of multiple sensor nodes and a fusion center (FC), that is deployed for the purpose of estimating a common random parameter of interest. In contrast to the distributed framework,…

信息论 · 计算机科学 2012-05-16 Swarnendu Kar , Pramod K. Varshney

In life sciences, the experts generally use empirical knowledge to recode variables, choose interactions and perform selection by classical approach. The aim of this work is to perform automatic learning algorithm for variables selection…

机器学习 · 统计学 2015-11-05 Bienvenue Kouwayè , Noël Fonton , Fabrice Rossi

Multi-task learning has shown to significantly enhance the performance of multiple related learning tasks in a variety of situations. We present the fused logistic regression, a sparse multi-task learning approach for binary classification.…

机器学习 · 统计学 2013-12-31 Venelin Mitov , Manfred Claassen

In this paper, we consider the problem of estimating multiple graphical models simultaneously using the fused lasso penalty, which encourages adjacent graphs to share similar structures. A motivating example is the analysis of brain…

机器学习 · 计算机科学 2014-01-03 Sen Yang , Zhaosong Lu , Xiaotong Shen , Peter Wonka , Jieping Ye

Microbial communities are diverse biological systems that include taxa from across multiple kingdoms of life. Notably, interactions between bacteria and fungi play a significant role in determining community structure. However, these…

定量方法 · 定量生物学 2024-04-15 James D. Brunner , Aaron J. Robinson , Patrick S. G. Chain

Recovering latent structure from count data has received considerable attention in network inference, particularly when one seeks both cross-group interactions and within-group similarity patterns in bipartite networks, which is widely used…

机器学习 · 统计学 2026-04-27 Aoran Zhang , Tianyao Wei , Maria J. Guerrero , César A. Uribe

High-dimensional data clustering has become and remains a challenging task for modern statistics and machine learning, with a wide range of applications. We consider in this work the powerful discriminative latent mixture model, and we…

统计方法学 · 统计学 2020-12-09 Nicolas Jouvin , Charles Bouveyron , Pierre Latouche

Predicting clinical variables from whole-brain neuroimages is a high dimensional problem that requires some type of feature selection or extraction. Penalized regression is a popular embedded feature selection method for high dimensional…

统计方法学 · 统计学 2018-02-27 Joanne C. Beer , Howard J. Aizenstein , Stewart J. Anderson , Robert T. Krafty

Sparse prediction with categorical data is challenging even for a moderate number of variables, because one parameter is roughly needed to encode one category or level. The Group Lasso is a well known efficient algorithm for selection…

统计方法学 · 统计学 2021-12-22 Szymon Nowakowski , Piotr Pokarowski , Wojciech Rejchel

Clustering algorithms are often used to find subpopulations in exploratory data analysis workflows. Not only the clusters themselves, but also their shape can represent meaningful subpopulations. In this paper, we present FLASC, an…

机器学习 · 计算机科学 2025-04-23 D. M. Bot , J. Peeters , J. Liesenborgs , J. Aerts

This paper proposes a computationally efficient algorithm for distributed fusion in a sensor network in which multi-Bernoulli (MB) filters are locally running in every sensor node for multi-target tracking. The generalized Covariance…

系统与控制 · 电气工程与系统科学 2020-02-19 Wei Yi , Suqi Li , Bailu Wang , Reza Hoseinnezhad , Lingjiang Kong

Recently, network lasso has drawn many attentions due to its remarkable performance on simultaneous clustering and optimization. However, it usually suffers from the imperfect data (noise, missing values etc), and yields sub-optimal…

机器学习 · 计算机科学 2018-08-21 Yawei Zhao , Kai Xu , Xinwang Liu , En Zhu , Xinzhong Zhu , Jianping Yin

The community structure of a complex network can be determined by finding the partitioning of its nodes that maximizes modularity. Many of the proposed algorithms for doing this work by recursively bisecting the network. We show that this…

计算机与社会 · 计算机科学 2015-05-13 Yudong Sun , Bogdan Danila , Kresimir Josic , Kevin E. Bassler

One of the most important steps toward interpretability and explainability of neural network models is feature selection, which aims to identify the subset of relevant features. Theoretical results in the field have mostly focused on the…

机器学习 · 计算机科学 2020-10-19 Vu Dinh , Lam Si Tung Ho

Wireless sensor networks (WSNs) face critical challenges in energy management and network lifetime optimization due to limited battery resources and communication overhead. This study introduces a novel hybrid clustering protocol that…

分布式、并行与集群计算 · 计算机科学 2025-11-11 Raya Majid Alsharfa , Mahmood Mohassel Feghhi , Majid Hameed Majeed