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Old Faithful Dataset

Classic dataset about geyser eruptions.

Each row represents an observed eruption of the Old Faithful Geyser in Yellowstone National Park. The eruptions column represents the duration of the eruption in minutes, and the waiting column represents the duration in minutes until the next eruption.

Extracted from TSV file published in Density Contours. Also published as a built-in dataset with R. Primary source: Härdle, W. (1991) Smoothing Techniques with Implementation in S. New York: Springer.