Inference and sampling for archimax copulas

Y Ng, A Hasan, V Tarokh - Advances in Neural Information …, 2022 - proceedings.neurips.cc
Understanding multivariate dependencies in both the bulk and the tails of a distribution is an
important problem for many applications, such as ensuring algorithms are robust to …

Ensemble Predictors: Possibilistic Combination of Conformal Predictors for Multivariate Time Series Classification

A Campagner, M Barandas, D Folgado… - … on Pattern Analysis …, 2024 - ieeexplore.ieee.org
In this article we propose a conceptual framework to study ensembles of conformal
predictors (CP), that we call Ensemble Predictors (EP). Our approach is inspired by the …

A Copula-Guided In-Model Interpretable Neural Network for Change Detection in Heterogeneous Remote Sensing Images

W Li, X Wang, G Li, B Geng… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Change detection (CD) in heterogeneous remote sensing images has been widely used for
disaster monitoring and land-use management. In the past decade, the heterogeneous CD …

Differential 2D Copula Approximating Transforms via Sobolev Training: 2-Cats Networks

F Figueiredo, JG Fernandes, J Silva… - arXiv preprint arXiv …, 2023 - arxiv.org
Copulas are a powerful statistical tool that captures dependencies across data dimensions.
When applying Copulas, we can estimate multivariate distribution functions by initially …

HACSurv: A Hierarchical Copula-based Approach for Survival Analysis with Dependent Competing Risks

X Liu, W Zhang, ML Zhang - arXiv preprint arXiv:2410.15180, 2024 - arxiv.org
In survival analysis, subjects often face competing risks; for example, individuals with cancer
may also suffer from heart disease or other illnesses, which can jointly influence the …

Copula-Nested Spectral Kernel Network

J Tian, H Xue, Y Xue, P Fang - Forty-first International Conference on … - openreview.net
Spectral Kernel Networks (SKNs) emerge as a promising approach in machine learning,
melding solid theoretical foundations of spectral kernels with the representation power of …

Cumulative distribution functions as the foundation for probabilistic models

P Chilinski - 2022 - discovery.ucl.ac.uk
This thesis discusses applications of probabilistic and connectionist models for constructing
and training cumulative distribution functions (CDFs). First, it is shown how existing tools …

Modeling Archimedean, Extreme-Value and Archimax Copulas with Neural Networks

Y Ng - 2023 - search.proquest.com
Copulas are popular in high-dimensional statistical applications as they allow for
dependence modeling with arbitrary margins. They are also used in rare event analysis …