DelayedMatrix row/col summarization
Only a small number of row/col summarization methods are provided by the DelayedArray package.
See the DelayedMatrixStats package for an extensive set of row/col summarization methods.
## S4 method for signature 'DelayedMatrix' rowSums(x, na.rm=FALSE, dims=1) ## S4 method for signature 'DelayedMatrix' colSums(x, na.rm=FALSE, dims=1) ## S4 method for signature 'DelayedMatrix' rowMeans(x, na.rm=FALSE, dims=1) ## S4 method for signature 'DelayedMatrix' colMeans(x, na.rm=FALSE, dims=1) ## S4 method for signature 'DelayedMatrix' rowMins(x, rows=NULL, cols=NULL, na.rm=FALSE) ## S4 method for signature 'DelayedMatrix' colMins(x, rows=NULL, cols=NULL, na.rm=FALSE) ## S4 method for signature 'DelayedMatrix' rowMaxs(x, rows=NULL, cols=NULL, na.rm=FALSE) ## S4 method for signature 'DelayedMatrix' colMaxs(x, rows=NULL, cols=NULL, na.rm=FALSE) ## S4 method for signature 'DelayedMatrix' rowRanges(x, rows=NULL, cols=NULL, na.rm=FALSE) ## S4 method for signature 'DelayedMatrix' colRanges(x, rows=NULL, cols=NULL, na.rm=FALSE)
x |
A DelayedMatrix object. |
na.rm |
Should missing values (including |
dims, rows, cols |
These arguments are not supported. Don't use them. |
All these operations are block-processed.
The DelayedMatrixStats package for more row/col summarization methods for DelayedMatrix objects.
rowSums in the base package and
rowMaxs in the matrixStats package
for row/col summarization of an ordinary matrix.
DelayedMatrix-utils for other common operations on DelayedMatrix objects.
DelayedMatrix objects.
matrix objects in base R.
library(HDF5Array)
toy_h5 <- system.file("extdata", "toy.h5", package="HDF5Array")
h5ls(toy_h5)
M1 <- HDF5Array(toy_h5, "M1")
M2 <- HDF5Array(toy_h5, "M2")
M12 <- rbind(M1, t(M2)) # delayed
## All these operations are block-processed.
rowSums(M12)
colSums(M12)
rowMeans(M12)
colMeans(M12)
rmins <- rowMins(M12)
cmins <- colMins(M12)
rmaxs <- rowMaxs(M12)
cmaxs <- colMaxs(M12)
rranges <- rowRanges(M12)
cranges <- colRanges(M12)
## Sanity checks:
m12 <- rbind(as.matrix(M1), t(as.matrix(M2)))
stopifnot(identical(rowSums(M12), rowSums(m12)))
stopifnot(identical(colSums(M12), colSums(m12)))
stopifnot(identical(rowMeans(M12), rowMeans(m12)))
stopifnot(identical(colMeans(M12), colMeans(m12)))
stopifnot(identical(rmins, rowMins(m12)))
stopifnot(identical(cmins, colMins(m12)))
stopifnot(identical(rmaxs, rowMaxs(m12)))
stopifnot(identical(cmaxs, colMaxs(m12)))
stopifnot(identical(rranges, cbind(rmins, rmaxs, deparse.level=0)))
stopifnot(identical(cranges, cbind(cmins, cmaxs, deparse.level=0)))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.