Plot the number of deaths and serious injuries in UK road accidents each month from January 1969–December 1984 versus time—a seatbelt law was introduced in February 1983 (“UK road deaths.txt” in the...

Plot the number of deaths and serious injuries in UK road accidents each month from January 1969–December 1984 versus time—a seatbelt law was introduced in February 1983 (“UK road deaths.txt” in the Exercises folder or Data Market– Time Series Data Library–Transport and Tourism). There are two columns of data with a header, use read. table() to retrieve the data. What complications do you foresee in modeling this data?