Use the pitching, people and batting dataframes in Lahman to answer the following:
(reprex example for advanced statistics course )
Create the following new variables for each year: Winning percentage, WHIP, FIP (use Fangraph formula -- pick one year and do not make year by year adjustments).
After 1950 who had the highest ERA (worst) with over 300 innings pitched (IPouts >900)
AFter 1950 who had the lowest WHIP and FIP
Use the Dplyr summarise function to calculate career totals for: Winning percentage,strikeouts, FIP, and WHIP, and Saves.
For pitchers with over 1500 innings pitched, after 1950 who had the best career: