userphi {resde}

Examples of optional external transformation and derivative functions

Description

Templates for user-supplied transformation and drivative functions, used by sdefit() if specified in parameters phi and/or phiprime. To be completed by the user.

Usage

userphi(x, theta)

userphiprime(x, theta)

Arguments

x

Numeric vector, variable to be transformed.

theta

Named list of transformation parameters

Value

Transformed variable

Transformation derivative

Functions

• userphi(): transformation

• userphiprime(): derivative