Personal Expenditure Data
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.
A 2-dimensional matrix
x with Category along dimension 1 and Year along dimension 2.
The World Almanac and Book of Facts, 1962, page 756.
Tukey, J. W. (1977). Exploratory Data Analysis. Reading, Mass: Addison-Wesley.
McNeil, D. R. (1977). Interactive Data Analysis. New York: Wiley.
octave.dataset.USPersonalExpenditure; # TODO: Port medpolish() from R, whatever that is.