E4.1 | R Documentation |
The E4.1
data frame has 10 rows and 3 columns.
Deaths are in deaths per 100 million vehicle miles.
data(E4.1)
This data frame contains the following columns:
a numeric vector, the year.
a numeric vector, number of deaths.
a numeric vector, deaths.t - deaths.(t-1).
The interest are in possible changes after new safety regulations where in effect after 1966.
Illinois Department of Transportation (1972).
data(E4.1)
summary(E4.1)
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