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Anna Quach

Utah State University



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Adele Cutler

Utah State University



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609 – Spatio-Temporal Models, Prediction, and Anomaly Detection

Archetypal Analysis: Three Case Studies

Sponsor: Section on Statistical Learning and Data Science
Keywords: archetypal analysis, unsupervised learning, cluster analysis, dimension reduction, dietary patterns, shape analysis

Anna Quach

Utah State University

Adele Cutler

Utah State University

Archetypal analysis was first introduced by Adele Cutler and Leo Breiman in 1994. In their paper they presented three examples: Swiss soldiers, air pollution, and Tokamak fusion. We extend the work with three additional case studies including nutrition data from the Cache County Memory and Aging Study, community attachment data provided by the Knight Foundation, and leaf shape data.

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