

   faithful {base}                              R Documentation

   OOlldd FFaaiitthhffuull GGeeyysseerr DDaattaa

   DDeessccrriippttiioonn::

        The `faithful' data frame has 272 rows and 2 columns;
        the waiting time between  eruptions  and the  duration
        of the eruption for the Old Faithful geyser in Yellow-
        stone National Park, Wyoming, USA.

   UUssaaggee::

        data(faithful)

   FFoorrmmaatt::

        A data frame with 272 observations on 2 variables.

         [,1]      eruptions      numeric      Eruption time in mins
         [,2]      waiting        numeric      Waiting time to next eruption

   SSoouurrccee::

        W. Hardle.

   RReeffeerreenncceess::

        Hardle, W. (1991).  Smoothing Techniques with Implemen-
        tation in S.  New York: Springer

        Azzalini, A. and Bowman, A.W. (1990) A look at some
        data on the Old Faithful geyser.  Applied Statistics
        39, 357-365.

   EExxaammpplleess::

        data(faithful)
        plot(faithful, main = "faithful data: Eruptions of Old Faithful",
             xlab = "Eruption time (min)",
             ylab = "Waiting time to next eruption (min)")
        lines(lowess(faithful$eruptions, faithful$waiting, f = 2/3, iter = 3),
              col = "red")

