pub fn geyser() -> Result<DataFrame, PolarsError>Expand description
§Old Faithful Geyser Data
§Description:
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 August 1 to August 15, 1985.
Some nocturnal duration measurements were coded as 2, 3 or 4 minutes, having originally been described as ‘short’, ‘medium’ or ‘long’.
§Usage:
geyser
§Format:
A data frame with 299 observations on 2 variables.
- ‘duration’ numeric Eruption time in mins
- ‘waiting’numeric Waiting time for this eruption
§Note:
The ‘waiting’ time was incorrectly described as the time to the next eruption in the original files, and corrected for ‘MASS’ version 7.3-30.
§References:
Azzalini, A. and Bowman, A. W. (1990) A look at some data on the Old Faithful geyser. Applied Statistics 39, 357-365.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
§See Also:
‘faithful’.
CRAN package ‘sm’.