bc_inv {MASSExtra}

Box-Cox transform inverse

Description

Find the original value corresponding to a box-cox transform

Usage

bc_inv(z, lambda, eps = 1e-05)

Arguments

z

numeric, the transformed value

lambda

numeric, the power of the box-cox transform

eps

numeric, a guard around lambda = 0

Value

A vector of original quantities

Examples

invy <- with(Cars93, bc(MPG.city, lambda = -1))
mpgc <- bc_inv(invy, lambda = -1)
range(mpgc - Cars93$MPG.city)