Use the help function to explore what the series gold , woolyrnq and gas represent. a. Use autoplot() to plot each of these in separate plots. b. What is the frequency of each series? Hint: apply the...

Use the help function to explore what the series gold , woolyrnq and gas represent.

a. Use autoplot() to plot each of these in separate plots.

b. What is the frequency of each series? Hint: apply the frequency() function.

c. Use which.max() to spot the outlier in the gold series. Which observation was it?