期刊
STATISTICAL MODELLING
卷 10, 期 1, 页码 41-56出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1471082X0801000103
关键词
Aitchison distance; compositional observation; discriminant analysis; log contrast; partial least squares
资金
- University of Naples L'Orientale
Compositional data are commonly present in many disciplines. Nevertheless, it is often improperly incorporated into statistical modelling and a misleading interpretation of the results is given. This paper explains how partial least squares for discrimination is an adequate technique for compositional data when a dimensional reduction of original variables is needed and difining the variables that more influence the discrimination between the observations is the goal.
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