Fast computation of sweep(X, MARGIN = 2, FUN = "-", STATS = center)
a numeric vector of length equal to the number of rows of
A matrix of same size as X.
Brice Ozenne <email@example.com>
x <- matrix(1,6,5) sweep(x, MARGIN = 2, FUN = "-", STATS = 1:5) rowCenter_cpp(x, 1:5 ) rowCenter_cpp(x, colMeans(x) )
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