Quantitative data: Old Faithful Geyser
The file geyser.rda contains 272 observations from the Old Faithful Geyser in the Yellowstone National Park. Each observation consists of two measurements : the duration (in minutes) of the eruption and the waiting time (in minutes) to the next eruption.
A data frame with 272 observations on the following 2 variables.
a numeric vector containing the duration (in minutes) of the eruption
a numeric vector containing the waiting time (in minutes) to the next eruption
Old Faithful erupts more frequently than any other big geyser, although it is not the largest nor the most regular geyser in the park. Its average interval between two eruptions is about 76 minutes, varying from 45 - 110 minutes. An eruption lasts from 1.1/2 to 5 minutes, expels 3,700 - 8,400 gallons (14,000 - 32,000 liters) of boiling water, and reaches heights of 106 - 184 feet (30 - 55m). It was named for its consistent performance by members of the Washburn Expedition in 1870. Old Faithful is still as spectacular and predictable as it was a century ago.
Hardle, W. (1991). "Smoothing Techniques with Implementation in S". Springer-Verlag, New York. Azzalini, A. and Bowman, A. W. (1990). "A look at some data on the Old Faithful geyser". Applied Statistics 39, 357-365.
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