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Table 5 The mean squared errors (MSEs) of the target variable estimates from the simulation replications

From: Comparison of the local pivotal method and systematic sampling for national forest inventories

Variable LPMxy LPMvp LPMspruce LPMpine LPMbl LPMall SRS Systematic
All volume (m2∙ha−1) 0.94 1.38 1.06 0.85 0.86 0.87 0.87 0.88
Pine volume (m2∙ha−1) 0.43 0.51 0.41 0.42 0.39 0.35 0.40 0.36
Spruce volume (m2∙ha−1) 0.62 1.02 0.71 0.61 0.55 0.59 0.63 0.57
Broadleaf volume (m2∙ha−1) 0.19 0.22 0.19 0.19 0.19 0.18 0.17 0.17
Age (years) 0.10 0.13 0.10 0.10 0.10 0.09 0.09 0.09
Mean height (dm) 0.47 0.60 0.48 0.39 0.40 0.40 0.40 0.41
Mean diameter (10−3 cm) 7.14 8.48 7.25 5.92 5.99 5.92 5.97 6.05
Basal area (10−3 m2∙ha−1) 8.38 10.37 8.83 7.16 7.31 7.35 7.31 7.49
Age 140+ yrs. (10−2%) 1.08 1.12 1.09 1.09 1.09 1.10 1.09 1.08
Mineral soils (%) 0.27 0.34 0.21 0.20 0.19 0.19 0.20 0.20
Spruce mire (10− 2%) 5.73 6.14 5.62 5.62 5.67 5.62 5.58 5.60
Pine mire (10−1%) 0.95 2.10 1.01 1.07 0.99 0.97 1.06 0.99
Open mire (10−2%) 1.01 1.85 1.44 1.47 1.47 1.47 1.45 1.46