Exercise $1\mathrm{.}5$ Import into R the Unemployment rate $-$ Bachelor's degree and higher, $25$ years and over, which is series LNS$14027662$ in FRED. Make it an R time series object and then do a time plot of it$.$ Double check that the ts $()$ object was created properly by using the R functions introduced in this section.

Exercise $1\mathrm{.}6$ We are often interested in comparing time series or in determining where time series intersect.

$($a$)$ After saving as a $.$csv file, import into R the UNRATE time series and LNS$14027662.$

$($b$)$ After making both time series ts $()$ objects, find the intersection of the two series.

$($c$)$ Create a new time series that contains a window of the UNRATE of your choice.