colCummaxs,DelayedMatrix-method {DelayedMatrixStats} | R Documentation |
Calculates the cumulative maxima for each row (column) of a matrix-like object.
## S4 method for signature 'DelayedMatrix' colCummaxs(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...) ## S4 method for signature 'DelayedMatrix' colCummins(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...) ## S4 method for signature 'DelayedMatrix' colCumprods(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...) ## S4 method for signature 'DelayedMatrix' colCumsums(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...) ## S4 method for signature 'DelayedMatrix' rowCummaxs(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...) ## S4 method for signature 'DelayedMatrix' rowCummins(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...) ## S4 method for signature 'DelayedMatrix' rowCumprods(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...) ## S4 method for signature 'DelayedMatrix' rowCumsums(x, rows = NULL, cols = NULL, force_block_processing = FALSE, ...)
x |
A NxK DelayedMatrix. |
rows |
A |
cols |
A |
force_block_processing |
|
... |
Additional arguments passed to specific methods. |
The S4 methods for x
of type matrix
,
array
, or numeric
call
matrixStats::rowCummaxs
/ matrixStats::colCummaxs
.
Returns a numeric
matrix
with the same
dimensions as x
.
Peter Hickey
Peter Hickey
Peter Hickey
Peter Hickey
matrixStats::rowCummaxs()
and
matrixStats::colCummaxs()
which are
used when the input is a matrix
or numeric
vector.
For single maximum estimates, see rowMaxs()
.
base::cummax()
.
# A DelayedMatrix with a 'matrix' seed dm_matrix <- DelayedArray(matrix(c(rep(1L, 5), as.integer((0:4) ^ 2), seq(-5L, -1L, 1L)), ncol = 3)) # A DelayedMatrix with a 'Matrix' seed dm_Matrix <- DelayedArray(Matrix::Matrix(c(rep(1L, 5), as.integer((0:4) ^ 2), seq(-5L, -1L, 1L)), ncol = 3)) colCummaxs(dm_matrix) colCummins(dm_matrix) colCumprods(dm_matrix) colCumsums(dm_matrix) # Only use rows 2-4 rowCummaxs(dm_Matrix, rows = 2:4) # Only use rows 2-4 rowCummins(dm_Matrix, rows = 2:4) # Only use rows 2-4 rowCumprods(dm_Matrix, rows = 2:4) # Only use rows 2-4 rowCumsums(dm_Matrix, rows = 2:4)