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Computes pairwise differences.
pair.diff(X)
a numeric matrix.
Matrix containing the differences.
The function computes all differences of row i and row j with i < j. The function is a wrapper to a C function to do the computation quickly and does no checks concerning the input.
pair.prod, pair.sum
pair.prod
pair.sum
# NOT RUN { X <- matrix(1:10, ncol = 2, byrow = FALSE) pair.diff(X) # }
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