colCenter_cpp {riskRegression}

Apply - by column

Description

Fast computation of sweep(X, MARGIN = 1, FUN = "-", STATS = center)

Usage

colCenter_cpp(X, center)

Arguments

X

A matrix.

center

a numeric vector of length equal to the number of rows of x

Value

A matrix of same size as X.

Author(s)

Brice Ozenne <[e-mail]>

Examples

x <- matrix(1,6,5)
sweep(x, MARGIN = 1, FUN = "-", STATS = 1:6)
colCenter_cpp(x, 1:6 )