Reference

All functions
add_2pt_probs()	Get 2pt decision probabilities
add_4th_probs()	Get 4th down decision probabilities
get_4th_plays()	Get 4th down plays from a game
load_4th_pbp()	Load calculated 4th down probabilities from nflfastR data
make_2pt_table_data()	Get 2pt decision probabilities
make_table_data()	Get 4th down decision probabilities