指标

对数函数

增长函数

切比雪夫函数

Regression coefficient [b, a]

[9.5489e+14, −7.2557e+15]

[−564173.0939, 309.941]

-

Regression logarithm polynomial

9.549e+14x, −7.256e+15

−5.642e+05x+309.9

-

cheb

-

-

([1.0852e+13, 1.4881e+13, 4.8600e+12])

poly

-

-

([5.9918e+12, 1.4881e+13, 9.7199e+12])

R_Square

0.8537

0.9885

0.9877

R_Sqrt

0.924

0.9942

0.9938

Adjusted R_Square

0.8485

0.988

0.9873

Spread of the error

1.76667E+12

0.136

512,049,743,364.78

Root mean squared error

1.70676E+12

0.1314

494,687,049,592.57