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Table 2 Parameter estimates and model fit criteria for ten different height-diameter (H-D) models

From: Development and evaluation of robust tree biomass equations for rubber tree (Hevea brasiliensis) plantations in India

Model a b c d AICc R2 RMSE 95% CI of asymptotic height
Michaelis-Menten 51.1 42.3 --a -- 112.4 0.795 2.24 33.8 – 68.5
Power law 1.98 0.70 -- -- 114.3 0.790 2.27 --
Gompertz 24.9 0.84 0.09 -- 114.4 0.796 2.25 20.0–29.8
Chapman-Richard 30.0 0.04 1.07 -- 114.5 0.796 2.25 13.5–46.5
Monomolecular 31.3 0.04 0.17 -- 114.5 0.796 2.25 18.2–44.4
Exponential 31.3 31.52 0.04 -- 114.5 0.796 2.25 18.2–44.4
Logistic 23.1 1.72 0.13 -- 114.9 0.795 2.26 19.8–26.3
Weibull 25.5 23.40 0.02 1.34 116.6 0.797 2.27 11.2–39.9
Richardb 24.8 −2.12 0.09 0.05 116.8 0.796 2.27 14.0–35.5
Hyperbolic 20.9 −84.9 -- -- 159.7 0.585 3.19 19.5–22.3
  1. -- a represents that parameter is not applicable
  2. bIndicates that convergence criteria not met
  3. Model fit statistics of the best model are in bold face