rowCumsums {MatrixGenerics} | R Documentation |
Calculates the cumulative sum for each row (column) of a matrix-like object.
rowCumsums(x, rows = NULL, cols = NULL, ...) ## S4 method for signature 'matrix_OR_array_OR_table_OR_numeric' rowCumsums(x, rows = NULL, cols = NULL, dim. = dim(x), ...) ## S4 method for signature 'ANY' rowCumsums(x, rows = NULL, cols = NULL, ...) colCumsums(x, rows = NULL, cols = NULL, ...) ## S4 method for signature 'matrix_OR_array_OR_table_OR_numeric' colCumsums(x, rows = NULL, cols = NULL, dim. = dim(x), ...) ## S4 method for signature 'ANY' colCumsums(x, rows = NULL, cols = NULL, ...)
x |
An NxK matrix-like object. |
rows, cols |
A |
... |
Additional arguments passed to specific methods. |
dim. |
An |
The S4 methods for x
of type matrix
,
array
, or numeric
call
matrixStats::rowCumsums
/ matrixStats::colCumsums
.
Returns a numeric
matrix
with the same
dimensions as x
.
matrixStats::rowCumsums()
and
matrixStats::colCumsums()
which are
used when the input is a matrix
or numeric
vector.
base::cumsum()
.
mat <- matrix(rnorm(15), nrow = 5, ncol = 3) mat[2, 1] <- NA mat[3, 3] <- Inf mat[4, 1] <- 0 print(mat) rowCumsums(mat) colCumsums(mat)