exa {faraway}

Simulated non-parametric regression data

Description

True function is f(x)=sin^3(2pi x^3).

Format

A data frame with 256 observations on the following 3 variables.

x

input

y

response

m

true value

Source

Haerdle, W. (1991). Smoothing Techniques with Implementation in S. New York:Springer.

Examples

data(exa)
## maybe str(exa) ; plot(exa) ...