| Model Summary and Parameter Estimates | |||||||||
| Dependent Variable: Whole tree | |||||||||
| Equation | Model Summary | Parameter Estimates | |||||||
| R Square | F | df1 | df2 | p-value | Constant | b1 | b2 | b3 | |
| Linear | 0.920 | 115.406 | 1 | 10 | 0.000 | 80.127 | 2.333 |
|
|
| Quadratic | 0.997 | 1560.326 | 2 | 9 | 0.000 | 165.225 | −12.231 | 0.552 |
|
| Cubic | 0.997 | 1540.912 | 2 | 9 | 0.000 | 143.639 | −6.115 | 0.000 | 0.016 |
| The independent variable is Small branch. | |||||||||