指标

对数函数

增长函数

切比雪夫函数

Regression coefficient [b,a]

[1.7565e+14, −1.3344e+15]

[−369069.72, 211.5088]

-

Regression logarithm polynomial

1.757e+14x, −1.334e+15

−3.691e+05x+211.5

-

cheb

-

-

([2.1166e+12, 2.5624e+12, 7.3516e+11])

poly

-

-

([1.3814e+12, 2.5624e+12, 1.4703e+12])

R_Square

0.8980

0.9801

0.9935

R_Sqrt

0.9476

0.9900

0.9967

Adjusted R_Square

0.8943

0.9794

0.9932

Spread of the error

264656397172.42

0.1172

66,984,234,759.70

Root mean squared error

255682370647.65

0.1132

64,712,918,797.20