colCumSum: Apply cumsum in each column

Description Usage Arguments Value Author(s) Examples

Description

Fast computation of apply(x,2,cumsum)

Usage

1

Arguments

x

A matrix.

Value

A matrix of same size as x.

Author(s)

Thomas Alexander Gerds <tag@biostat.ku.dk>

Examples

1
2
x <- matrix(1:8,ncol=2)
colCumSum(x)

bozenne/riskRegressionLight documentation built on May 7, 2019, 12:52 a.m.