Table 5 The fitting results of the 11 equations to the values of Reff estimated by Model 2 from 2005 to 2017 in Hubei Province, China
Equation | Model summary | Parameter estimates | ||||
|---|---|---|---|---|---|---|
R2 | P | Constant | b1 | b2 | b3 | |
Linear | 0.138 | 0.211 | 1.224 | −0.009 | – | – |
Logarithmic | 0.092 | 0.315 | 1.226 | −0.038 | – | – |
Inverse | 0.014 | 0.703 | 1.149 | 0.044 | – | – |
Quadratic | 0.138 | 0.475 | 1.227 | − 0.010 | 0.000 | – |
Cubic | 0.151 | 0.671 | 1.183 | 0.021 | −0.005 | 0.000 |
Compound | 0.131 | 0.224 | 1.218 | 0.993 | – | – |
Power | 0.083 | 0.339 | 1.219 | −0.030 | – | – |
S | 0.011 | 0.738 | 0.137 | 0.032 | – | – |
Growth | 0.131 | 0.224 | 0.197 | −0.007 | – | – |
Exponential | 0.131 | 0.224 | 1.218 | −0.007 | – | – |
Logistic | 0.131 | 0.224 | 0.821 | 1.008 | – | – |