@subsubheading Description

This data set consists of United States personal expenditures (in billions
of dollars) in the categories: food and tobacco, household operation,
medical and health, personal care, and private education for the years 1940,
1945, 1950, 1955 and 1960.

@subsubheading Format

A 2-dimensional matrix @code{x} with Category along dimension 1 and Year along dimension 2.

@subsubheading Source

@cite{The World Almanac and Book of Facts}, 1962, page 756.

@subsubheading References

Tukey, J. W. (1977). @cite{Exploratory Data Analysis}. Reading, Mass: Addison-Wesley.

McNeil, D. R. (1977). @cite{Interactive Data Analysis}. New York: Wiley.

@subsubheading Examples

@example
@INCLUDE_DATASET_EXAMPLE_SCRIPT{USPersonalExpenditure_1.m}
@end example
