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\name{discoveries}
\title{Numbers of Important Discoveries}
\usage{data(discoveries)}
\alias{discoveries}
\format{A time series of 100 values.}
\source{
  The World Almanac and Book of Facts, 1975 Edition, pages 315--318.
}
\description{The numbers of ``great'' inventions and scientific
  discoveries in each year from 1860 to 1959.
}
\references{
  McNeil, D. R. (1977).  \emph{Interactive Data Analysis}.  Wiley.
}
\examples{
data(discoveries)
plot(discoveries, ylab = "Number of important discoveries",
     las = 1)
title(main = "discoveries data set")
}
\keyword{datasets}