coal
From boot v1.3-24
by Brian Ripley
Dates of Coal Mining Disasters
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.
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Usage
coal
Format
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.
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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