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This function reduces the data in the row or col dimension.
reduction(X, row.red = TRUE)
the reduced matrix
a matrix of size tm x vm which contains the functionnal images
Logical. Reduces the columns or the rows
centering
X <- matrix(rnorm(5 * 4), nrow = 5, ncol = 4) Xred <- reduction(X, row.red = TRUE)$Xred
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