rowDiffs {matrixStats} | R Documentation |
Calculates difference for each row (column) in a matrix.
rowDiffs(x, ...) colDiffs(x, ...)
x |
A numeric NxK matrix . |
... |
Not used. |
Returns a numeric
Nx(K-1) or (N-1)xK matrix
.
Henrik Bengtsson (http://www.braju.com/R/)
Internally diff
() is used.