Three-Way Component Analysis Using the R Package ThreeWay

Paolo Giordani, Henk A.L. Kiers, Maria Antonietta Del Ferraro

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Abstract

The R package ThreeWay is presented and its main features are illustrated. The aim of ThreeWay is to offer a suit of functions for handling three-way arrays. In particular, the most relevant available functions are T3 and CP, which implement, respectively, the Tucker3 and Candecomp/Parafac methods. They are the two most popular tools for summarizing three-way arrays in terms of components. After briefly recalling both techniques from a theoretical point of view, the functions T3 and CP are described by considering three real life examples.
Original languageEnglish
Number of pages24
JournalJournal of Statistical Software
Volume57
Issue number7
DOIs
Publication statusPublished - Apr-2014

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