discoveries             package:datasets             R Documentation

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")

