Table 9. Statistics of residuals with the anamorphic and polymorphic equations fitted to the height of control plot.

Model types Model names Estimated coefficients MSE Std. Dev Skew-ness Kurtosis Shapiro-wilk
α β γ
Ana-morphic Schumacher - 3.6280 1.2558 144 11.9737 −0.0293 0.5734 0.989821
Chap-Rich - 0.2866 −1.2912 144.6 11.9827 −0.0224 0.5697 0.98993
Gompertz 0.0451 −0.9967 - 177 13.2232 0.2632 0.4237 0.988114
Hossfeld −0.0161 1.1623 215.4 14.2569 0.1274 0.1759 0.986823
Poly-morphic Schumacher 6.4608 0.3404 - 134.8 11.5825 0.3075 0.7972 0.989285
Chap-Rich 7.8296 0.2922 0.0248 203.4 13.4746 −0.1575 0.2172 0.986129
Gompertz 6.4933 0.1544 0.00758 129.7 11.3367 0.2898 0.9107 0.99045
Hossfeld 412.7 - 0.7777 136 11.6328 0.2929 0.7288 0.989924