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Projection-based classification for functional data. (English) Zbl 1440.62404
Summary: The classification of functional data has many applications in a variety of problems. A popular method for functional data classification is based on distances of the observations to the class centroid. In this paper, we introduce a weighted version of the centroid classifier that is based on projection functions and can lead to asymptotically perfect classification. We select the projection functions so that they optimize classification performance. The superiority of the proposed method is shown by using a simulation study and two real data sets.
62R10 Functional data analysis
62H30 Classification and discrimination; cluster analysis (statistical aspects)
fda (R)
Full Text: DOI
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