Variables The degree of a polynomial	(A, P)		(A, MA)		(A, MI)		(P, MA)
	R2	RMSE (g)	R2	RMSE (g)	R2	RMSE (g)	R2	RMSE (g)
1 (Linear)	0.80	14.86	0.76	16.61	0.77	16.20	0.80	14.87
2	0.86	12.56	0.79	15.53	0.79	15.61	0.83	14.01
3	0.90	10.63	0.80	15.23	0.74	17.24	0.86	12.55