Table 8 PBIRROL model—distance-independent version—validation statistics for the diameter distribution simulation using as input data the first year of measurements in sub-sample plots of 500 m2
Year t 2 (n = 30) | ||||
|---|---|---|---|---|
dbh class | \( \overline{e} \) | \( a\overline{e} \) | \( {\sigma^2}p \) | \( {R^2}p \) |
7.5 cm | −14.667 | 22.667 | 3,998.161 | 0.889 |
12.5 cm | 7.333 | 38.000 | 5,171.954 | 0.700 |
17.5 cm | −10.000 | 23.333 | 931.034 | 0.955 |
22.5 cm | −4.000 | 24.000 | 1,142.069 | 0.891 |
27.5 cm | 7.333 | 18.000 | 730.575 | 0.927 |
32.5 cm | 6.667 | 6.667 | 174.713 | 0.933 |
37.5 cm | 3.333 | 3.333 | 85.057 | 0.803 |
42.5 cm | 0.000 | 0.000 | 0.000 | 1.000 |