We address the problem of investigating the relationships between (K+1) blocks of variables (i.e., K blocks of independent variables and one block of dependent variables), where the observations are a priori divided into several known groups. We propose a simple procedure called multiblock and multigroup PLS regression—which is a straightforward extension of multiblock PLS regression— that takes into account the group structure of the observations. This method of analysis is illustrated with a large, questionnaire based, survey exploring, in 2011, the cannabis consumption of teenagers of thirteen European countries (the European School Survey Project on Alcohol and other Drugs).
CITATION STYLE
Eslami, A., Qannari, E. M., Legleye, S., & Bougeard, S. (2016). Multiblock and multigroup PLS: Application to study cannabis consumption in thirteen European countries. In Springer Proceedings in Mathematics and Statistics (Vol. 173, pp. 213–226). Springer New York LLC. https://doi.org/10.1007/978-3-319-40643-5_16
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