Ocaña, F. A.; Aguilera, A. M.; Valderrama, M. J. - In: Journal of Multivariate Analysis 71 (1999) 2, pp. 262-276
The functional principal components analysis (PCA) involves new considerations on the mechanism of measuring distances (the norm). Some properties arising in functional framework (e.g., smoothing) could be taken into account through an inner product in the data space. But this proposed inner...