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Mathematics

D-Index
38
Citations
5900
World Ranking
2350
National Ranking
9

Overview

Dimitris Karlis is affiliated with the Athens University of Economics and Business in Greece. Their research spans multiple domains, prominently focusing on mathematics and computer science.

The scientist's work mainly contributes to the following fields of study:

  • Mathematics
  • Computer Science

Within these areas, they explore subfields such as:

  • Statistics and Probability
  • Artificial Intelligence
  • Economics and Econometrics
  • Oncology
  • Management Science and Operations Research

Their research topics include:

  • Bayesian Methods and Mixture Models
  • Statistical Methods and Bayesian Inference
  • Statistical Methods and Inference
  • Sports Analytics and Performance
  • Statistical Distribution Estimation and Applications
  • Financial Risk and Volatility Modeling
  • Advanced Statistical Methods and Models

Dimitris Karlis has authored papers published across a range of venues, showing a focus on statistics, mathematical modeling, and applied research:

  • arXiv (Cornell University) - 13 publications
  • Annals of Oncology - 2 publications
  • Journal of the Royal Statistical Society Series C (Applied Statistics) - 2 publications
  • 28th Annual European Real Estate Society Conference - 2 publications
  • Mathematics - 1 publication

Selected recent papers reflect a diverse research agenda addressing statistical modeling, medical applications, and sports analytics:

  • Efficacy of TIL therapy in advanced cutaneous melanoma in the current immuno-oncology era: updated systematic review and meta-analysis, 2024, Annals of Oncology
  • AN EM ALGORITHM FOR FITTING A NEW CLASS OF MIXED EXPONENTIAL REGRESSION MODELS WITH VARYING DISPERSION, 2020, Astin Bulletin
  • Multivariate INAR(1) Regression Models Based on the Sarmanov Distribution, 2021, Mathematics
  • Football tracking data: a copula-based hidden Markov model for classification of tactics in football, 2022, Annals of Operations Research
  • Modelling Unobserved Heterogeneity in Claim Counts Using Finite Mixture Models, 2020, Risks

Dimitris Karlis frequently collaborates with several co-authors in their research endeavors, including:

  • Vasilis Chasiotis (7 collaborations)
  • Marius Ötting (4 collaborations)
  • Lluı́s Bermúdez (3 collaborations)
  • Naushad Mamode Khan (3 collaborations)
  • Yuan Fang (3 collaborations)

Best Publications

  • Analysis of sports data by using bivariate Poisson models

    Dimitris Karlis;Ioannis Ntzoufras

  • Mixed Poisson Distributions

    Dimitris Karlis;Evdokia Xekalaki

  • Choosing initial values for the EM algorithm for finite mixtures

    Dimitris Karlis;Evdokia Xekalaki

  • Studying the effect of weather conditions on daily crash counts using a discrete time-series model

    Tom Brijs;Dimitris Karlis;Geert Wets

  • Unsupervised stratification of cross-validation for accuracy estimation

    N. A. Diamantidis;D. Karlis;E. A. Giakoumakis

  • An EM algorithm for multivariate Poisson distribution and related models

    Dimitris Karlis

  • Multivariate Poisson regression with covariance structure

    Dimitris Karlis;Loukia Meligkotsidou

  • A bivariate INAR(1) process with application

    Xanthi Pedeli;Dimitris Karlis

  • An EM type algorithm for maximum likelihood estimation of the normal-inverse Gaussian distribution

    Dimitris Karlis

  • Bivariate Poisson and diagonal inflated bivariate Poisson regression models in R

    Dimitris Karlis;Ioannis Ntzoufras

  • Finite mixtures of multivariate Poisson distributions with application

    Dimitris Karlis;Loukia Meligkotsidou

  • Model-based clustering with non-elliptically contoured distributions

    Dimitris Karlis;Anais Santourian

  • Bayesian modelling of football outcomes: using the Skellam's distribution for the goal difference

    Dimitris Karlis;Ioannis Ntzoufras

  • A simple rule for the selection of principal components

    Dimitris Karlis;Gilbert Saporta;Antonis Spinakis

  • Bayesian analysis of the differences of count data.

    D. Karlis;I. Ntzoufras

  • Some properties of multivariate INAR(1) processes

    Xanthi Pedeli;Dimitris Karlis

  • Clustering with the multivariate normal inverse Gaussian distribution

    Adrian O'Hagan;Thomas Brendan Murphy;Isobel Claire Gormley;Paul D. McNicholas

  • Bayesian multivariate Poisson models for insurance ratemaking

    Lluís Bermúdez;Dimitris Karlis

  • Modeling Multivariate Count Data Using Copulas

    Aristidis K. Nikoloulopoulos;Dimitris Karlis

  • Do people comply with the law because they fear getting caught

    Per-Olof H. Wikström;Andromachi Tseloni;Dimitris Karlis

Frequent Co-Authors

Geert Wets
Geert Wets Hasselt University
Tom Brijs
Tom Brijs Hasselt University
Davy Janssens
Davy Janssens Hasselt University
Koen Vanhoof
Koen Vanhoof Hasselt University
Martine Piccart
Martine Piccart Université Libre de Bruxelles
Paul D. McNicholas
Paul D. McNicholas McMaster University
Gerassimos A. Papadopoulos
Gerassimos A. Papadopoulos Hellenic Mediterranean University
Christoph C. Zielinski
Christoph C. Zielinski Medical University of Vienna
George Coukos
George Coukos Cornell University
Elisabeth G.E. de Vries
Elisabeth G.E. de Vries University Medical Center Groningen

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