From: Application of LiDAR data to maximise the efficiency of inventory plots in softwood plantations
Inferential framework | Number of strata | Design variable | Estimation variables | Regression model | Relative bias | RMSE | PLE | Relative efficiency |
---|---|---|---|---|---|---|---|---|
Design- | - | - | Expansion | - | 0.04 | 9.1 | 18.2 | 1.0 |
based | 2 | OV | Expansion | - | −0.05 | 7.8 | 15.6 | 1.4 |
3 | OV | Expansion | - | −0.10 | 8.0 | 16.0 | 1.7 | |
4 | OV | Expansion | - | 0.05 | 6.6 | 13.2 | 1.9 | |
6 | OV | Expansion | - | 0.01 | 6.5 | 13.0 | 2.0 | |
2 | OV | Regression | Strata + OV | −0.04 | 6.4 | 12.8 | 2.0 | |
3 | OV | Regression | Strata + OV | 0.08 | 6.3 | 12.6 | 2.1 | |
4 | OV | Regression | Strata + OV | 0.02 | 6.3 | 12.6 | 2.1 | |
6 | OV | Regression | Strata + OV | −0.07 | 6.4 | 12.8 | 2.0 | |
4 | OV + CC | Expansion | - | −0.02 | 7.5 | 15.0 | 1.5 | |
6 | OV + CC | Expansion | - | −0.04 | 7.4 | 14.8 | 1.5 | |
4 | OV + CC | Regression | Strata + OV | −0.08 | 6.3 | 12.6 | 2.1 | |
6 | OV + CC | Regression | Strata + OV | −0.10 | 6.6 | 13.2 | 1.9 | |
Model- | - | OV | Model | OV | −0.12 | 6.3 | 12.6 | 2.1 |
based | - | OV + CC | Model | OV + CC | −0.14 | 6.5 | 13.0 | 2.0 |