@subsubheading Description

Four sets of x/y pairs which have the same statistical properties, but are
very different.

@subsubheading Format

The data comes in an array of 4 structs, each with fields as follows:

@table @code
@item x
The X values for this pair.
@item y
The Y values for this pair.
@end table

@subsubheading Source

Tufte, Edward R. (1989). @cite{The Visual Display of Quantitative Information}.
13–14. Cheshire, CT: Graphics Press.

@subsubheading References

Anscombe, Francis J. (1973). Graphs in statistical analysis. @cite{The
American Statistician}, 27, 17–21.

@subsubheading Examples

@example
@INCLUDE_DATASET_EXAMPLE_SCRIPT{anscombe_1.m}
@end example
