[2311.13411] Bayesian inference of a new Mallows model for characterising symptom sequences applied in primary progressive aphasia
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Computer Science > Machine Learning

arXiv:2311.13411 (cs)
[Submitted on 22 Nov 2023]

Title:Bayesian inference of a new Mallows model for characterising symptom sequences applied in primary progressive aphasia

Authors:Beatrice Taylor, Cameron Shand, Chris J. D. Hardy, Neil Oxtoby
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Abstract:Machine learning models offer the potential to understand diverse datasets in a data-driven way, powering insights into individual disease experiences and ensuring equitable healthcare. In this study, we explore Bayesian inference for characterising symptom sequences, and the associated modelling challenges. We adapted the Mallows model to account for partial rankings and right-censored data, employing custom MCMC fitting. Our evaluation, encompassing synthetic data and a primary progressive aphasia dataset, highlights the model's efficacy in revealing mean orderings and estimating ranking variance. This holds the potential to enhance clinical comprehension of symptom occurrence. However, our work encounters limitations concerning model scalability and small dataset sizes.
Comments: Extended Abstract presented at Machine Learning for Health (ML4H) symposium 2023, December 10th, 2023, New Orleans, United States, 8 pages
Subjects: Machine Learning (cs.LG)
Cite as: arXiv:2311.13411 [cs.LG]
  (or arXiv:2311.13411v1 [cs.LG] for this version)
  https://doi.org/10.48550/arXiv.2311.13411

Submission history

From: Beatrice Taylor [view email]
[v1] Wed, 22 Nov 2023 14:16:20 UTC (582 KB)
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