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Table 5 Average RMSE produced by different sampling methods and sample sizes based on 5,000 simulations

From: Evaluation of sampling strategies to estimate crown biomass

Sample size Sampling strategies
SRS SRS-RAT PPS SYS SYS-RAT STR STR-RAT STR-PPS
3 88.57 42.56 38.04 113.17 48.54 85.05 42.08 34.95
6 60.49 30.01 29.23 57.94 29.98 58.54 29.56 27.99
9 48.60 23.92 25.19 37.88 22.12 46.48 23.55 24.46
12 40.77 20.18 22.78 30.77 17.91 38.89 19.75 22.33