Biomass Modelling of Androstachys johnsonii Prain: A Comparison of Three Methods to Enforce Additivity

Table 8

Relative standard errors (%) of the expected and predicted total tree biomass values for 11 randomly selected trees.

		CH	LCL	CON		SUR		NSUR
				5.00	7.60	6.50	1.10	9.8935	10.7478	57.0913	57.3862	7.7570	9.4475
8.00	9.16	2.12	7.04	2.4664	2.8828	7.7433	7.7598	5.7686	5.8364
10.00	9.59	1.55	8.04	0.9218	1.3087	4.1622	4.1682	4.9674	4.9854
12.50	13.40	5.80	7.60	0.4477	0.6223	2.8034	2.8049	3.3916	3.3943
15.00	13.12	2.23	10.89	0.7874	0.8454	2.0203	2.0209	3.1360	3.1370
17.50	13.95	8.07	5.88	1.0461	1.0676	1.8206	1.8209	2.4721	2.4726
20.00	13.85	4.60	9.25	1.1791	1.1906	1.7894	1.7895	2.1321	2.1324
22.50	13.04	6.00	7.04	1.2514	1.2590	1.7775	1.7775	2.0573	2.0575
25.00	14.53	4.50	10.03	1.3547	1.3584	1.8523	1.8523	2.0828	2.0828
27.50	13.46	2.89	10.57	1.3843	1.3873	1.9000	1.9000	2.2690	2.2690
30.50	15.05	2.16	12.89	1.4515	1.4529	1.9571	1.9571	2.6660	2.6660
Average				2.0167	2.1930	7.7198	7.7489	3.5182	3.6801

= relative standard error of the expected value; = relative standard error of the predicted value.