¤

b1¤

b2¤

MSE¤

R-squared¤

Zero degree ¤

9.55¤

0.10¤

0.70¤

0.89¤

45 degree ¤

8.41¤

0.08¤

0.34¤

0.93¤

90 degree ¤

14.8¤

0.11¤

1.1¤

0.93¤