3楼: Originally posted by dingd at 2014-10-04 20:47:31
很稳定啊，结果唯一：

均方差(RMSE):0.105771627944174
残差平方和(SSE):0.0559381863898039
相关系数(R): 0.998018138188973
相关系数之平方(R^2): 0.996040204154184
确定系数(DC): 0.996002782108847
卡 ...

Title "pingpang";
Parameters a,b,c,d;
Variable x1,x2,y;
Function y=c*d*x1*x2/(c*x1*x2+a*c*x2+a*x2*x2+b*c*x1);
Data;
922.1 1844.2 7.19
874.99 2624.97 10.92
832.45 3329.8 12.05
793.87 3969.35 11.22
758.7 4552.2 10.13

2楼: Originally posted by NicoleLas at 2014-10-04 20:03:33
更正后的代码：

Title "pingpang";
Parameters a,b,c,d;
Variable x1,x2,y;
Function y=c*d*x1*x2/(c*x1*x2+a*c*x2+a*x2*x2+b*c*x1);
Data;
922.1 1844.2 7.19
874.99 2624.97 10.92
832.45 33 ...