cs: Scale and reduce data

In jgodet/gmrcfun: Package de fonctions du GMRC - Hopitaux Universitaires de Strasbourg

Description

Scale and reduce data. Does exactly the same as scale but slightly faster.

Usage

cs(x)

Arguments

x	a numeric vector to be scaled and reduced

Examples

x <-rnorm(n = 100, mean = 50, sd = 10)
xreduced <- cs(x)
c(mean(xreduced), sd(xreduced))
xscaled <- scale(x)
c(mean(xscaled), sd(xscaled))

x <-rnorm(n = 1e8, mean = 50, sd = 10)
system.time(c(mean(cs(x)), sd(cs(x))))
system.time(c(mean(scale(x)), sd(scale(x))))

jgodet/gmrcfun documentation built on June 2, 2020, 8:19 p.m.