Search Results for author: Myrto Limnios

Found 4 papers, 2 papers with code

On Ranking-based Tests of Independence

1 code implementation12 Mar 2024 Myrto Limnios, Stéphan Clémençon

In this paper we develop a novel nonparametric framework to test the independence of two random variables $\mathbf{X}$ and $\mathbf{Y}$ with unknown respective marginals $H(dx)$ and $G(dy)$ and joint distribution $F(dx dy)$, based on {\it Receiver Operating Characteristic} (ROC) analysis and bipartite ranking.

Concentration Inequalities for Two-Sample Rank Processes with Application to Bipartite Ranking

1 code implementation7 Apr 2021 Stéphan Clémençon, Myrto Limnios, Nicolas Vayatis

The ROC curve is the gold standard for measuring the performance of a test/scoring statistic regarding its capacity to discriminate between two statistical populations in a wide variety of applications, ranging from anomaly detection in signal processing to information retrieval, through medical diagnosis.

Anomaly Detection Information Retrieval +2

Revealing posturographic features associated with the risk of falling in patients with Parkinsonian syndromes via machine learning

no code implementations15 Jul 2019 Ioannis Bargiotas, Argyris Kalogeratos, Myrto Limnios, Pierre-Paul Vidal, Damien Ricard, Nicolas Vayatis

In this work, we present the ts-AUC, a non-parametric multivariate two-sample test, which we employ to analyze statokinesigram differences among PS patients that are fallers (PSf) and non-fallers (PSNF).

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