A pseudo-metric between probability distributions based on depth-trimmed regions

G Staerman, P Mozharovskyi, P Colombo… - arXiv preprint arXiv …, 2021 - arxiv.org
The design of a metric between probability distributions is a longstanding problem motivated
by numerous applications in Machine Learning. Focusing on continuous probability …

[HTML][HTML] Projection depth and Lr-type depths for fuzzy random variables

L González-De La Fuente, A Nieto-Reyes… - Fuzzy Sets and …, 2024 - Elsevier
Statistical depth functions are a standard tool in nonparametric statistics to extend order-
based univariate methods to the multivariate setting. Since there is no universally accepted …

[HTML][HTML] Simplicial depths for fuzzy random variables

L González-De La Fuente, A Nieto-Reyes… - Fuzzy Sets and …, 2023 - Elsevier
The recently defined concept of statistical depth function for fuzzy sets provides a theoretical
framework for ordering fuzzy sets with respect to the distribution of a fuzzy random variable …

[HTML][HTML] Data depth for mixed-type data through MDS. An application to biological age imputation

I Cascos, A Grané, J Qian - Socio-Economic Planning Sciences, 2024 - Elsevier
For a mixed-type dataset, we propose a new procedure to assess the quality of an
observation as a central tendency. Next, we apply this technique to valuate the functional …

Functional anomaly detection and robust estimation

G Staerman - 2022 - theses.hal.science
Enthusiasm for Machine Learning is spreading to nearly all fields such as transportation,
energy, medicine, banking or insurance as the ubiquity of sensors through IoT makes more …

Depth for samples of sets with applications to testing equality in distribution of two samples of random sets

V Gotovac Ðogaš - Journal of Statistical Computation and …, 2024 - Taylor & Francis
This paper introduces several depths for random sets with possibly non-convex realisations,
proposes ways to estimate the depths based on the samples and compares them with …

Metric statistics: Exploration and inference for random objects with distance profiles

P Dubey, Y Chen, HG Müller - The Annals of Statistics, 2024 - projecteuclid.org
The Supplement contains proofs and auxiliary results, additional simulations for the two-
sample test, additional simulations for distance profiles and transport ranks for multimodal …

Topological data analysis for random sets and its application in detecting outliers and goodness of fit testing

VG Đogaš, M Mandarić - arXiv preprint arXiv:2404.04702, 2024 - arxiv.org
In this paper we present the methodology for detecting outliers and testing the goodness-of-
fit of random sets using topological data analysis. We construct the filtration from level sets of …

Depth for samples of sets with applications to testing equality in distribution of two samples of random sets

VG Đogaš - arXiv preprint arXiv:2402.01861, 2024 - arxiv.org
This paper introduces several depths for random sets with possibly non-convex realisations,
proposes ways to estimate the depths based on the samples and compares them with …

Properties of Statistical Depth with Respect to Compact Convex Random Sets: The Tukey Depth

L González-De La Fuente, A Nieto-Reyes, P Terán - Mathematics, 2022 - mdpi.com
We study a statistical data depth with respect to compact convex random sets, which is
consistent with the multivariate Tukey depth and the Tukey depth for fuzzy sets. In addition, it …