smoother_functions {princurve}

Smoother functions

Description

Each of these functions have an interface function(lambda, xj, ...), and return smoothed values for xj. The output is expected to be ordered along an ordered lambda. This means that the following is true:

x <- runif(100)
y <- runif(100)
ord <- sample.int(100)
sfun <- smoother_functions[[1]]
all(sfun(x, y) == sfun(x[ord], y[ord]))

Usage

smoother_functions

Format

An object of class list of length 3.