Now use the Salaries data frame to add each player’s salary to the table you created in exercise 1. Note that salaries are different every year so make sure to filter for the year 2016, then use...

Now use the Salaries data frame to add each player’s salary to the table you created in exercise 1. Note that salaries are different every year so make sure to filter for the year 2016, then use right_join. This time show first name, last name, team, HR and salary.

Now use the left_join function to add the yearly average to the co2_wide dataset. Then compute the residuals: observed co2 measure - yearly average.