Rpdata: Always plot residuals.

In alr4: Data to Accompany Applied Linear Regression 4th Edition

Always plot residuals.

Description

This example with aritifical data is designed to demonstrate the importance of plotting residuals.

Usage

data(Rpdata)

Format

A data frame with 990 observations on the following 7 variables.

y

a numeric vector

x1

a numeric vector

x2

a numeric vector

x3

a numeric vector

x4

a numeric vector

x5

a numeric vector

x6

a numeric vector

Source

Data generated using programs from Leonard Stafanski.

References

Stefanski, L. A. (2007). Residual (sur)Realism. The American Statistician, 61, 163-177.

Examples

data(Rpdata)
## Not run: 
require(car)
residualPlot(lm(Rpdata))

## End(Not run)

alr4 documentation built on Jan. 18, 2026, 1:06 a.m.