colTabulates,DelayedMatrix-method {DelayedMatrixStats} | R Documentation |
Tabulates the values in a matrix-like object by row (column).
## S4 method for signature 'DelayedMatrix' colTabulates( x, rows = NULL, cols = NULL, values = NULL, force_block_processing = FALSE, ... ) ## S4 method for signature 'DelayedMatrix' rowTabulates( x, rows = NULL, cols = NULL, values = NULL, force_block_processing = FALSE, ... )
x |
A NxK DelayedMatrix. |
rows |
A |
cols |
A |
values |
the values to search for. |
force_block_processing |
|
... |
Additional arguments passed to specific methods. |
The S4 methods for x
of type matrix
,
array
, or numeric
call
matrixStats::rowTabulates
/ matrixStats::colTabulates
.
a numeric
NxJ
(KxJ
)
matrix
, where N (K) is the number of rows (columns) for
which the J values are calculated.
Peter Hickey
matrixStats::rowTabulates()
and
matrixStats::colTabulates()
which
are used when the input is a matrix
or numeric
vector.
base::table()
# A DelayedMatrix with a 'DataFrame' seed dm_DF <- DelayedArray(S4Vectors::DataFrame(C1 = rep(1L, 5), C2 = as.integer((0:4) ^ 2), C3 = seq(-5L, -1L, 1L))) colTabulates(dm_DF) rowTabulates(dm_DF)