Old Faithful Geyser Data
A version of the eruptions data from the “Old Faithful” geyser in Yellowstone National Park, Wyoming. This version comes from Azzalini and Bowman (1990) and is of continuous measurement from 1st August to 15th August 1985.
Some nocturnal duration measurements were coded as 2, 3 or 4 minutes, having originally been described as ‘short’, ‘medium’ or ‘long’.
A data frame with 299 observations on 2 variables.
||numeric||Eruption time, in minutes|
||numeric||Waiting time before the eruption, in minutes|
Note that in versions of the
sm package before 2.2-5 the
waiting variable was incorrectly described as ‘waiting time to next eruption’.
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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