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Table 7 Model fit statistics from fitting variants of Equation 7 to the Ribbonwood dataset

From: The influence of initial and post-thinning stand density on Douglas-fir branch diameter at two sites in New Zealand

Model fitted

Mean residual

Standard deviation

Range of residuals

Error mean square

1. Equation 7: individual trees

−0.019

7.44

−22.5 to 44.4

 

3. Equation 7, and 8: all trees

−0.016

10.26

−32.8 to 76.7

105.3

4. Equation 7, 8 and 10: all trees

−0.013

9.96

−32.4 to 75.5

99.5

  1. Note: there were 1286 data points in the Ribbonwood dataset