Earth Model
-------------------------------------
Basis Function  Pruned  Coefficient
-------------------------------------
(Intercept)     No      -134.994
h(x-44.7206)    No      -1.42112
h(44.7206-x)    No      0.461161
h(x-40.1705)    Yes     None
h(40.1705-x)    Yes     None
-------------------------------------
MSE: 1191.2154, GCV: 6485.5061, RSQ: 0.9507, GRSQ: 0.8028
