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Table 2 The parameters of the Richards function in each diameter class

From: Culm height development, biomass accumulation and carbon storage in an initial growth stage for a fast-growing moso bamboo (Phyllostachy pubescens)

DBH class \(Y = A \times [1 - \exp ( - k \times t)]^{1/(1 - m)}\)
  a k m R 2 RMSE a
I 10.46 0.0996 0.8634 0.9898 0.1072
II 11.40 0.1006 0.8490 0.9602 0.5368
III 13.40 0.0980 0.8664 0.9838 0.2725
IV 14.77 0.0993 0.8625 0.9873 0.2678
V 15.66 0.0987 0.8547 0.9914 0.2050
  1. a RMSE is the smallest root mean squared error and its unit is m