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Description:

The coal data frame has 191 rows and 1 columns.

This data frame gives the dates of 191 explosions in coal mines which resulted in 10 or more fatalities. The time span of the data is from March 15, 1851 until March 22 1962.

Variables:

This data frame contains the following column:

date

The date of the disaster. The integer part of date gives the year. The day is represented as the fraction of the year that had elapsed on that day.

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References/Notes/Attributions:

Source

The data were obtained from

Hand, D.J., Daly, F., Lunn, A.D., McConway, K.J. and Ostrowski, E. (1994) A Handbook of Small Data Sets, Chapman and Hall.

References

Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.

Jarrett, R.G. (1979) A note on the intervals between coal-mining disasters. Biometrika, 66, 191-193.

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