Description Usage Format Examples
A data set with the number of accidents per mine in a 3 month period in 44 coal mines in West Virginia
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A data frame with 44 observations on the following 5 variables:
COUNT
number of accidents (response)
INB
inner burden thickness
EXTRP
percentage of coal extracted from mine
AHS
the average height of the coal seam in the mine
AGE
the age of the mine
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