rowCumsums {MatrixGenerics} | R Documentation |
Calculates the cumulative sum for each row (column) of a matrix-like object
Description
Calculates the cumulative sum for each row (column) of a matrix-like object.
Usage
rowCumsums(x, rows = NULL, cols = NULL, ..., useNames = NA)
## S4 method for signature 'matrix_OR_array_OR_table_OR_numeric'
rowCumsums(x, rows = NULL, cols = NULL, dim. = dim(x), ..., useNames = NA)
## S4 method for signature 'ANY'
rowCumsums(x, rows = NULL, cols = NULL, ..., useNames = NA)
colCumsums(x, rows = NULL, cols = NULL, ..., useNames = NA)
## S4 method for signature 'matrix_OR_array_OR_table_OR_numeric'
colCumsums(x, rows = NULL, cols = NULL, dim. = dim(x), ..., useNames = NA)
## S4 method for signature 'ANY'
colCumsums(x, rows = NULL, cols = NULL, ..., useNames = NA)
Arguments
x |
An NxK matrix-like object. |
rows , cols |
A |
... |
Additional arguments passed to specific methods. |
useNames |
If |
dim. |
An |
Details
The S4 methods for x
of type matrix
,
array
, or numeric
call
matrixStats::rowCumsums
/ matrixStats::colCumsums
.
Value
Returns a numeric
matrix
with the same
dimensions as x
.
See Also
-
matrixStats::rowCumsums()
andmatrixStats::colCumsums()
which are used when the input is amatrix
ornumeric
vector. -
base::cumsum()
.
Examples
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)