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Influence functions (IFs) elucidate how training data changes model behavior. However, the increasing size and non-convexity in large-scale models make IFs inaccurate. We suspect that the fragility comes from the first-order approximation…

机器学习 · 计算机科学 2024-05-07 Hyeonsu Lyu , Jonggyu Jang , Sehyun Ryu , Hyun Jong Yang

Machine learning models are known to memorize samples from their training data, raising concerns around privacy and generalization. Counterfactual self-influence is a popular metric to study memorization, quantifying how the model's…

机器学习 · 计算机科学 2025-06-26 Matthieu Meeus , Igor Shilov , Georgios Kaissis , Yves-Alexandre de Montjoye

The minimum divergence estimators have proved to be useful tools in the area of robust inference. The robustness of such estimators are measured using the classical Influence functions. However, in many complex situations like testing a…

统计理论 · 数学 2015-05-26 Abhik Ghosh

The functional linear regression model is a common tool to determine the relationship between a scalar outcome and a functional predictor seen as a function of time. This paper focuses on the Bayesian estimation of the support of the…

统计方法学 · 统计学 2017-01-09 Paul-Marie Grollemund , Christophe Abraham , Meïli Baragatti , Pierre Pudlo

We present a principle-based analysis of contribution functions for quantitative bipolar argumentation graphs that quantify the contribution of one argument to another. The introduced principles formalise the intuitions underlying different…

人工智能 · 计算机科学 2024-06-17 Timotheus Kampik , Nico Potyka , Xiang Yin , Kristijonas Čyras , Francesca Toni

Semi-structured regression models enable the joint modeling of interpretable structured and complex unstructured feature effects. The structured model part is inspired by statistical models and can be used to infer the input-output…

机器学习 · 计算机科学 2024-01-24 Daniel Dold , David Rügamer , Beate Sick , Oliver Dürr

We present a theory of point and interval estimation for nonlinear functionals in parametric, semi-, and non-parametric models based on higher order influence functions (Robins (2004), Section 9; Li et al. (2004), Tchetgen et al. (2006),…

统计理论 · 数学 2008-12-18 James Robins , Lingling Li , Eric Tchetgen , Aad van der Vaart

In this paper we address the problem of fuzzy measures index calculation. On the basis of fuzzy sets, Murofushi and Soneda proposed an interaction index to deal with the relations between two individuals. This index was later extended in a…

统计理论 · 数学 2024-02-08 Inmaculada Gutiérrez , Javier Castro , Daniel Gómez , Rosa Espínola

Consider a Boolean function f on the n-dimensional hypercube, and a set of variables (indexed by) $S \subset \{1,2,\ldots,n\}.$ The coalition influence of the variables S on a function f is the probability that after a random assignment of…

组合数学 · 数学 2026-01-19 Tomasz Przybyłowski

Consensus maximisation (MaxCon), which is widely used for robust fitting in computer vision, aims to find the largest subset of data that fits the model within some tolerance level. In this paper, we outline the connection between MaxCon…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Ruwan Tennakoon , David Suter , Erchuan Zhang , Tat-Jun Chin , Alireza Bab-Hadiashar

Influence maximization is the task of finding the smallest set of nodes whose activation in a social network can trigger an activation cascade that reaches the targeted network coverage, where threshold rules determine the outcome of…

人工智能 · 计算机科学 2021-04-16 Manqing Ma , Gyorgy Korniss , Boleslaw K. Szymanski

We provide sensitivity comparisons for two competing versions of the dimension reduction method principal Hessian directions (pHd). These comparisons consider the effects of small perturbations on the estimation of the dimension reduction…

统计方法学 · 统计学 2009-09-29 Luke A. Prendergast , Jodie A. Smith

Despite extensive theoretical work on biologically plausible learning rules, clear evidence about whether and how such rules are implemented in the brain has been difficult to obtain. We consider biologically plausible supervised- and…

神经与进化计算 · 计算机科学 2022-10-18 Jacob P. Portes , Christian Schmid , James M. Murray

Submodular function minimization is well studied, and existing algorithms solve it exactly or up to arbitrary accuracy. However, in many applications, such as structured sparse learning or batch Bayesian optimization, the objective function…

机器学习 · 计算机科学 2022-03-10 Marwa El Halabi , Stefanie Jegelka

We consider the problem of learning an unknown, possibly nonlinear operator between separable Hilbert spaces from supervised data. Inputs are drawn from a prescribed probability measure on the input space, and outputs are (possibly noisy)…

We exhibit the hidden beauty of weighted voting and voting power by applying a generalization of the Penrose-Banzhaf index to social choice rules. Three players who have multiple votes in a committee decide between three options by…

计算机科学与博弈论 · 计算机科学 2022-08-01 Sascha Kurz , Alexander Mayer , Stefan Napel

The Influence Function (IF) is a widely used technique for assessing the impact of individual training samples on model predictions. However, existing IF methods often fail to provide reliable influence estimates in deep neural networks,…

机器学习 · 计算机科学 2025-12-02 Xichen Ye , Yifan Wu , Weizhong Zhang , Cheng Jin , Yifan Chen

Copula models of multivariate data are popular because they allow separate specification of marginal distributions and the copula function. These components can be treated as inter-related modules in a modified Bayesian inference approach…

统计方法学 · 统计学 2026-04-03 Lucas Kock , David T. Frazier , Michael Stanley Smith , David J. Nott

This paper discusses semiparametric inference on hypotheses on the cointegration and the attractor spaces for $I(1)$ linear processes with moderately large cross-sectional dimension. The approach is based on empirical canonical correlations…

统计方法学 · 统计学 2025-12-17 Massimo Franchi , Paolo Paruolo

While traditional game models often simplify interactions among agents as static, real-world social relationships are inherently dynamic, influenced by both immediate payoffs and alternative information. Motivated by this fact, we introduce…

社会与信息网络 · 计算机科学 2024-11-25 Hongyu Yue , Xiaojin Xiong , Minyu Feng , Attila Szolnoki