row.names,corn.rain,corn.yield,yhat
5,6.8,21.7,25.2086721294085
24,6.9,26.8,25.4948718829927
22,7.7,30.1,27.6193278775668
12,7.8,19.4,27.8642421226262
33,8,35.5,28.3403087765701
4,8.7,27.5,29.8620427855371
29,8.7,29.9,29.8620427855371
21,9.3,34.9,30.9874823515207
27,9.3,29.7,30.9874823515207
28,9.4,35,31.1590001369806
25,9.5,30.5,31.3259306437155
30,9.5,35.2,31.3259306437155
1,9.6,24.5,31.4882738717254
3,9.9,27.9,31.9477798834053
16,10,36.4,32.0917739965154
8,10.1,29.9,32.2311808309005
9,10.1,30.2,32.2311808309005
10,10.1,32,32.2311808309005
38,10.4,32.6,32.6218776617059
15,10.6,32.4,32.8594058219513
34,10.7,36.7,32.9712889839866
11,10.8,34,33.0785848672969
23,11,36.9,33.2794147977425
36,11.3,38,33.5462551029737
17,11.5,36.9,33.7012122461697
31,11.6,38.3,33.7718098996802
37,11.6,31.7,33.7718098996802
20,12,32.3,34.0083277264726
19,12.1,30.5,34.0559889863583
32,12.1,35.2,34.0559889863583
6,12.5,31.9,34.2007612386512
2,12.9,33.7,34.2721370313447
7,13,36.8,34.2785127827056
18,13.6,31.5,34.2204344376469
35,13.9,26.8,34.1294670023304
14,14.1,30.2,34.0458856518279
13,16.2,36,32.0604536594713
26,16.5,33.3,31.6116784836071