boxCox {nlmixr2est}

Cox Box, Yeo Johnson and inverse transformation

Description

Cox Box, Yeo Johnson and inverse transformation

Usage

boxCox(x, lambda = 1)

iBoxCox(x, lambda = 1)

yeoJohnson(x, lambda = 1)

iYeoJohnson(x, lambda = 1)

Arguments

x

data to transform

lambda

Cox-box lambda parameter

Value

Cox-Box Transformed Data

Author(s)

Matthew L. Fidler

Examples

boxCox(1:3,1) ## Normal
iBoxCox(boxCox(1:3,1))

boxCox(1:3,0) ## Log-Normal
iBoxCox(boxCox(1:3,0),0)

boxCox(1:3,0.5) ## lambda=0.5
iBoxCox(boxCox(1:3,0.5),0.5)

yeoJohnson(seq(-3,3),1) ## Normal
iYeoJohnson(yeoJohnson(seq(-3,3),1))

yeoJohnson(seq(-3,3),0)
iYeoJohnson(yeoJohnson(seq(-3,3),0),0)