rowCumSum {riskRegression}

Apply cumsum in each row

Description

Fast computation of t(apply(x,1,cumsum))

Usage

rowCumSum(x)

Arguments

x

A matrix.

Value

A matrix of same size as x.

Author(s)

Thomas Alexander Gerds <[e-mail]>

Examples

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