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Table 4 Goodness-of-fit statistics and condition number of the taper functions evaluated

From: Stem taper function for sweet chestnut (Castanea sativa Mill.) coppice stands in northwest Spain

Model

RMSE

AICd

R 2 adj

CN

Fang et al. (2000)

1.188

0

0.9838

62.40

Kozak (2004)

1.223

184.24

0.9828

62.57

Demaerschalk (1972)

1.537

1638.71

0.9728

62.81

Thomas and Parresol (1991)

2.055

3490.69

0.9515

3.74

  1. RMSE root mean square error, AICd Akaike’s information criterion in differences, R 2 adj adjusted coefficient of determination, CN condition number