Tropical Geometric Tools for Machine Learning: the TML package
David Barnhill, Ruriko Yoshida, Georgios Aliatimis, Keiji, Miura

TL;DR
The paper introduces the TML R package that applies tropical geometry tools to statistical learning, enabling computations, visualization, and modeling using tropical convexity and metrics.
Contribution
It is the first comprehensive R package integrating tropical geometry methods for statistical inference and machine learning tasks.
Findings
Provides tools for tropical convexity computations and visualization.
Implements tropical PCA, logistic regression, and kernel density estimation.
Uses tropical HAR sampler for statistical inference.
Abstract
In the last decade, developments in tropical geometry have provided a number of uses directly applicable to problems in statistical learning. The TML package is the first R package which contains a comprehensive set of tools and methods used for basic computations related to tropical convexity, visualization of tropically convex sets, as well as supervised and unsupervised learning models using the tropical metric under the max-plus algebra over the tropical projective torus. Primarily, the TML package employs a Hit and Run Markov chain Monte Carlo sampler in conjunction with the tropical metric as its main tool for statistical inference. In addition to basic computation and various applications of the tropical HAR sampler, we also focus on several supervised and unsupervised methods incorporated in the TML package including tropical principal component analysis, tropical logistic…
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Taxonomy
TopicsPolynomial and algebraic computation
MethodsFocus · Logistic Regression
