anscombe {alr3}R Documentation

Anscombe's data on graphics

Description

Four regression problems, y1|x1, y2|x1, y3|x1 and y4|x2 that illustrate the importance of graphics.

Format

This data frame contains the following columns:

x1
Predictor with response y1, y2 or y3
y1
Response 1
y2
Response 2
y3
Response 3
x2
Predictor with response y4
y4
Response 4

Source

F. Anscombe (1983). Graphs in statistical analysis, American Statistician, 27, 17-21.

References

Weisberg, S. (2005). Applied Linear Regression, 3rd edition. New York: Wiley, Section 1.4

Examples

data(anscombe)

[Package alr3 version 1.1.7 Index]