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data(french.social)
french.social$data: Data matrix with twelve families (rows) with 7 attributes (columns) describing what they spend their income on.
Lebart, L., and Fénelon, J.P. (1975) Statistique et informatique appliquées. Paris: Dunod Abdi, H., and Williams, L.J. (2010). Principal component analysis. Wiley Interdisciplinary Reviews: Computational Statistics, 2, 433-459.