btrf {Bhat}

R Documentation

Generalized inverse-logit transform

Description

maps real line onto open interval (xl, xu) using the transform y = (exp(xt) * xu + xl)/(1.+exp(xt)) where xt is a numeric vector with -Inf < xt < Inf

Usage

btrf(xt, xl, xu)

Arguments

xt	a numeric vector
xl	a numeric vector of same length as x
xu	a numeric vector of same length as x, and xu > xl

Value

returns the inverse-logit transform (numeric) of xt

Author(s)

E. Georg Luebeck (FHCRC)

See Also

ftrf

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