
Data on car drivers killed, car drivers killed or seriously injured (KSI), and light goods drivers killed during the years 1969 to 1984 in Great Britain. In February 1982 a compulsory seat belt law was introduced.
data(KSI)
The data is stored as a multi-variate zoo
object.
Source: HMSO: Road Accidents in Great Britain 1984.
# NOT RUN {
data(KSI)
plot(KSI)
seatbelt = time(KSI) < 1983 + (2-1)/12
# }
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