Description Usage Format References
Agresti (2007) presented the train accident data in the UK between 1975 and 2003. The respone variable y is annual number of collisions between trains and road vehicles, for t million kilometers of train travel. The covariate x is number of years since 1975.
1 | data("train")
|
A data frame with 29 observations on the following 4 variables.
xnumber of years since 1975
yannual number of collisions between trains and road vehicles
tmillion kilometers of annual train travel
idoberservations identifier
Agresti, A. (2007). An Introduction to Categorical Data Analysis. John Wiley & Sons, New York, 2nd edition.
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