E4.1: Traffic Fatality Data for Illinois
Description
The E4.1 data frame has 10 rows and 3 columns.
Deaths are in deaths per 100 million vehicle miles.
Format
This data frame contains the following columns:
- Year
-
a numeric vector, the year.
- Deaths
-
a numeric vector, number of deaths.
- DFR
-
a numeric vector, deaths.t - deaths.(t-1).
Source
Illinois Department of Transportation (1972).Details
The interest are in possible changes after new safety regulations where
in effect after 1966.