caution {alr4}

Caution data

Description

Artificial data to illustrate problems with residual plots.

Format

This data frame contains the following columns:

x1

Artificial data item.

x2

Artificial data item.

y

Artificial data item.

Source

R. D. Cook and S. Weisberg (1999), Graphs in statistical analysis: Is the medium the message? American Statistician, 53, 29-37.

References

Weisberg, S. (2014). Applied Linear Regression, 4th edition. Hoboken NJ: Wiley.

Examples

head(caution)