2 papers
cs.LG2025
Archetypal Analysis for Binary Data
A. Emilie J. Wedenborg, Morten Mørup
Archetypal analysis (AA) is a matrix decomposition method that identifies distinct patterns using convex combinations of the data points denoted archetypes with each data point in…
cs.LG2024
Modeling Human Responses by Ordinal Archetypal Analysis
Anna Emilie J. Wedenborg, Michael Alexander Harborg, Andreas Bigom +6
This paper introduces a novel framework for Archetypal Analysis (AA) tailored to ordinal data, particularly from questionnaires. Unlike existing methods, the proposed method, Ordin…