Christophe Ley

7.0k total citations · 3 hit papers
86 papers, 4.1k citations indexed

About

Christophe Ley is a scholar working on Statistics and Probability, Artificial Intelligence and Finance. According to data from OpenAlex, Christophe Ley has authored 86 papers receiving a total of 4.1k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Statistics and Probability, 23 papers in Artificial Intelligence and 15 papers in Finance. Recurrent topics in Christophe Ley's work include Statistical Distribution Estimation and Applications (20 papers), Bayesian Methods and Mixture Models (16 papers) and Advanced Statistical Methods and Models (15 papers). Christophe Ley is often cited by papers focused on Statistical Distribution Estimation and Applications (20 papers), Bayesian Methods and Mixture Models (16 papers) and Advanced Statistical Methods and Models (15 papers). Christophe Ley collaborates with scholars based in Belgium, Luxembourg and Germany. Christophe Ley's co-authors include Christophe Leys, Olivier Klein, Laurent Licata, Philippe Bernard, Yves Dominicy, Yvik Swan, Daniël Lakens, Youri L. Mora, Marie Delacre and Thomas Tischer and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and IEEE Transactions on Information Theory.

In The Last Decade

Christophe Ley

83 papers receiving 4.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Detecting outliers: Do not use standard deviation around the mean, use absolute deviation around the median

2013 2.6k citations Christophe Leys, Christophe Ley et al. Journal of Experimental Social Psychology profile →
Detecting multivariate outliers: Use a robust variant of the Mahalanobis distance

2017 303 citations Christophe Leys, Olivier Klein et al. Journal of Experimental Social Psychology profile →
Machine learning methods in sport injury prediction and prevention: a systematic review

2021 151 citations Christophe Ley, Romain Seil et al. Journal of Experimental Orthopaedics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Christophe Ley Belgium	17	621	559	486	365	327	86	4.1k
Thomas C. M. Lee United States	34	424 0.7×	555 1.0×	959 2.0×	227 0.6×	233 0.7×	192	5.5k
Ron Wasserstein United States	12	298 0.5×	624 1.1×	1.0k 2.1×	250 0.7×	264 0.8×	20	7.3k
Russell V. Lenth United States	29	617 1.0×	443 0.8×	841 1.7×	521 1.4×	427 1.3×	76	9.9k
Michael Betancourt United States	11	723 1.2×	855 1.5×	927 1.9×	503 1.4×	289 0.9×	24	6.1k
Jonah Gabry United States	12	507 0.8×	423 0.8×	445 0.9×	360 1.0×	308 0.9×	16	4.7k
Jiqiang Guo United States	9	649 1.0×	705 1.3×	787 1.6×	447 1.2×	238 0.7×	13	5.2k
Ben Goodrich United States	12	662 1.1×	814 1.5×	747 1.5×	469 1.3×	288 0.9×	26	5.7k
Julian J. Faraway United States	32	258 0.4×	521 0.9×	709 1.5×	146 0.4×	395 1.2×	95	5.3k
Daniel C. Lee Canada	11	612 1.0×	710 1.3×	684 1.4×	414 1.1×	232 0.7×	58	5.3k
Aki Vehtari Finland	36	964 1.6×	1.9k 3.3×	1.5k 3.0×	549 1.5×	421 1.3×	153	11.0k

Countries citing papers authored by Christophe Ley

Since Specialization

Citations

This map shows the geographic impact of Christophe Ley's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Christophe Ley with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Christophe Ley more than expected).

Fields of papers citing papers by Christophe Ley

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christophe Ley. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Christophe Ley. The network helps show where Christophe Ley may publish in the future.

Co-authorship network of co-authors of Christophe Ley

This figure shows the co-authorship network connecting the top 25 collaborators of Christophe Ley. A scholar is included among the top collaborators of Christophe Ley based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Christophe Ley. Christophe Ley is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Pareek, Ayoosh, Philipp W. Winkler, Bálint Zsidai, et al.. (2024). A practical guide to the implementation of AI in orthopaedic research, Part 6: How to evaluate the performance of AI research?. Journal of Experimental Orthopaedics. 11(3). e12039–e12039. 11 indexed citations

Zsidai, Bálint, Janina Kaarre, Eric Hamrin Senorski, et al.. (2024). A practical guide to the implementation of artificial intelligence in orthopaedic research—Part 2: A technical introduction. Journal of Experimental Orthopaedics. 11(3). e12025–e12025. 12 indexed citations

Ley, Christophe, et al.. (2023). Möglichkeiten und Perspektiven zum Einsatz der künstlichen Intelligenz in der Sportorthopädie. Sports Orthopaedics and Traumatology. 39(1). 4–10. 1 indexed citations

Zsidai, Bálint, Janina Kaarre, Eric Hamrin Senorski, et al.. (2023). Accelerated evidence synthesis in orthopaedics—the roles of natural language processing, expert annotation and large language models. Journal of Experimental Orthopaedics. 10(1). 99–99. 4 indexed citations

Nagahara, Ryu, Jurdan Mendiguchía, Jean‐Benoît Morin, et al.. (2023). Prédiction des blessures des ischiojambiers en football à l’aide d’apprentissage automatique : étude préliminaire sur 284 footballeurs. Journal de Traumatologie du Sport. 40(2). 69–73. 4 indexed citations

Zsidai, Bálint, Janina Kaarre, Eric Hamrin Senorski, et al.. (2023). A practical guide to the implementation of AI in orthopaedic research – part 1: opportunities in clinical application and overcoming existing challenges. Journal of Experimental Orthopaedics. 10(1). 117–117. 17 indexed citations

Hvattum, Lars Magnus, et al.. (2021). The Probabilistic Final Standing Calculator: a fair stochastic tool to handle abruptly stopped football seasons. RePEc: Research Papers in Economics. 7 indexed citations

Ekstrøm, Claus Thorn, et al.. (2021). Evaluating one-shot tournament predictions. Multilingual Matters (Channel View Publications). 4 indexed citations

Ley, Christophe, et al.. (2021). Elliptical Symmetry Tests in R. Open Repository and Bibliography (University of Luxembourg). 4 indexed citations

10.

Magni, Stefano, Andreas Husch, Atte Aalto, et al.. (2021). Dynamical SPQEIR model assesses the effectiveness of non-pharmaceutical interventions against COVID-19 epidemic outbreaks. PLoS ONE. 16(5). e0252019–e0252019. 7 indexed citations

11.

Ley, Christophe, et al.. (2021). The Wasserstein Impact Measure (WIM): A practical tool for quantifying prior impact in Bayesian statistics. Computational Statistics & Data Analysis. 174. 107352–107352. 4 indexed citations

12.

Briol, François‐Xavier, Robert E. Gaunt, Jackson Gorham, et al.. (2021). Stein's Method Meets Statistics: A Review of Some Recent Developments. Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles). 3 indexed citations

13.

Strisciuglio, Teresa, Giuseppe Di Lorenzo, Jan Goedgebeur, et al.. (2021). Evaluation of Directed Graph-Mapping in Complex Atrial Tachycardias. JACC. Clinical electrophysiology. 7(7). 936–949. 12 indexed citations

14.

Ley, Christophe, et al.. (2021). The Safety of Bilateral Simultaneous Hip and Knee Arthroplasty versus Staged Arthroplasty in a High-Volume Center Comparing Blood Loss, Peri- and Postoperative Complications, and Early Functional Outcome. MDPI (MDPI AG). 12 indexed citations

15.

Ley, Christophe, et al.. (2020). A new generator for proposing flexible lifetime distributions and its properties. PLoS ONE. 15(4). e0231908–e0231908. 11 indexed citations

16.

Cremers, Jolien, Helena J. M. Pennings, & Christophe Ley. (2019). Regression Models for Cylindrical Data in Psychology. Multivariate Behavioral Research. 55(6). 910–925. 2 indexed citations

17.

Leys, Christophe, Christophe Ley, Olivier Klein, Philippe Bernard, & Laurent Licata. (2013). Detecting outliers: Do not use standard deviation around the mean, use absolute deviation around the median. Journal of Experimental Social Psychology. 49(4). 764–766. 2647 indexed citations breakdown →

18.

Ley, Christophe, et al.. (2012). Stein's density approach for discrete distributions with applications to information inequalities. Open Repository and Bibliography (University of Luxembourg). 3 indexed citations

19.

Ley, Christophe & Anouk Neven. (2012). The normalizing constant in multivariate t distributions: dimension one versus higher dimensions. arXiv (Cornell University). 1 indexed citations

20.

Ley, Christophe & Davy Paindaveine. (2009). Le Cam optimal tests for symmetry against Ferreira and Steel's general skewed distributions. Journal of nonparametric statistics. 21(8). 943–967. 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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