Table 5 Plot level cross-validated RMSEs of A) species-specific models, B) general models not stratified by tree species, and C) species-specific models, using a predicted main tree species in the cross validation. B and C are given as differences to A in percentage points, with positive values representing an increase compared to A
Main species | Volume | Lorey’s height | Basal area | Biomass | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
A | B | C | A | B | C | A | B | C | A | B | C | |
Spruce | 30.9% | 4.9 | 1.9 | 9.7% | 3.4 | 3.1 | 27.4% | 2.0 | 1.0 | 29.8% | 4.4 | 2.2 |
Pine | 33.2% | 0.8 | 3.4 | 8.8% | 4.1 | 4.3 | 30.0% | 0.2 | 1.2 | 31.7% | 3.1 | 4.2 |
Deciduous | 48.2% | 25.5 | 9.5 | 14.3% | 5.8 | 5.0 | 40.2% | 5.7 | 2.8 | 47.3% | 9.5 | 4.4 |
All | 35.0% | 7.1 | 3.4 | 12.1% | 2.5 | 2.1 | 30.9% | 2.2 | 1.4 | 34.2% | 5.1 | 3.1 |