R: Remove 0 columns/rows

filterZeroCols {pRoloc}

R Documentation

Remove 0 columns/rows

Description

Removes all assay data columns/rows that are composed of only 0, i.e. have a colSum/rowSum of 0.

Usage

filterZeroCols(object, verbose = TRUE)

filterZeroRows(object, verbose = TRUE)

Arguments

`object`	A `MSnSet` object.
`verbose`	Print a message with the number of filtered out columns/row (if any).

Value

An MSnSet.

Author(s)

Laurent Gatto

Examples

library("pRolocdata")
data(andy2011goCC)
any(colSums(exprs(andy2011goCC)) == 0)
exprs(andy2011goCC)[, 1:5] <- 0
ncol(andy2011goCC)
ncol(filterZeroCols(andy2011goCC))

[Package pRoloc version 1.27.6 Index]