Improved flight_model_int
Improved flight_model_int

Added I(dist ^ 2) to the flight_model_int which made it slightly better. Changed the name of flight_model_mod to flight_model_box to make the Box-Cox model stand out more in the RMSE tables.
ryusko2/stat420-analysis,ryusko2/stat420-analysis,ryusko2/stat420-analysis