datasets (version 3.2.4)

discoveries: Yearly Numbers of Important Discoveries

Description

The numbers of “great” inventions and scientific discoveries in each year from 1860 to 1959.

Usage

discoveries

Format

A time series of 100 values.

Source

The World Almanac and Book of Facts, 1975 Edition, pages 315--318.

References

McNeil, D. R. (1977) Interactive Data Analysis. Wiley.

Examples

require(graphics)
plot(discoveries, ylab = "Number of important discoveries",
     las = 1)
title(main = "discoveries data set")