Apply - by column
Fast computation of sweep(X, MARGIN = 1, FUN = "-", STATS = center)
colCenter_cpp(X, center)
X |
A matrix. |
center |
a numeric vector of length equal to the number of rows of |
A matrix of same size as X.
Brice Ozenne <broz@sund.ku.dk>
x <- matrix(1,6,5) sweep(x, MARGIN = 1, FUN = "-", STATS = 1:6) colCenter_cpp(x, 1:6 )
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