rowCumsums {matrixStats} | R Documentation |
Cumulative sums, products, minima and maxima for each row (column) in a matrix.
rowCumsums(x, rows = NULL, cols = NULL, dim. = dim(x), ...) colCumsums(x, rows = NULL, cols = NULL, dim. = dim(x), ...) rowCumprods(x, rows = NULL, cols = NULL, dim. = dim(x), ...) colCumprods(x, rows = NULL, cols = NULL, dim. = dim(x), ...) rowCummins(x, rows = NULL, cols = NULL, dim. = dim(x), ...) colCummins(x, rows = NULL, cols = NULL, dim. = dim(x), ...) rowCummaxs(x, rows = NULL, cols = NULL, dim. = dim(x), ...) colCummaxs(x, rows = NULL, cols = NULL, dim. = dim(x), ...)
x |
|
rows, cols |
A |
dim. |
An |
... |
Not used. |
Returns a numeric
NxK matrix
of the same mode as x
.
Henrik Bengtsson
See cumsum
(), cumprod
(),
cummin
(), and cummax
().
x <- matrix(1:12, nrow = 4, ncol = 3) print(x) yr <- rowCumsums(x) print(yr) yc <- colCumsums(x) print(yc) yr <- rowCumprods(x) print(yr) yc <- colCumprods(x) print(yc) yr <- rowCummaxs(x) print(yr) yc <- colCummaxs(x) print(yc) yr <- rowCummins(x) print(yr) yc <- colCummins(x) print(yc)