Regression formula | Pattern of explanatory variables | |
1 | X1 | Crown area |
2 | X1 | Crown surface |
3 | X1 | Crown volume |
4 | X1 X2 | Crown area Tree height |
5 | X1 X2 | Crown surface Tree height |
6 | X1 X2 | Crown volume Tree height |
7 | X1 X2 | Crown area Crown length |
8 | X1 X2 | Crown area Crown length ratio |
9 | X1 X2 X3 | Crown area Tree height Crown length |
10 | X1 X2 X3 | Crown area Tree height Crown length ratio |