Detection and Prediction of Internal Damage in the Ancient Timber Structure Based on Optimal Combined Model

Table 8

Statistics of evaluation index parameters calculated by different models in testing sets.

Testing set	Sample number	IOWA		IOWGA		IOWHA
		EC (%)	VC	EC (%)	VC	EC (%)	VC
	13	98.5	0.00045	87.0	0.00310	85.4	0.00270
	12	98.4	0.00048	86.1	0.00250	84.9	0.00210
	11	98.2	0.00057	85.4	0.00210	84.5	0.00180
	10	98.0	0.00071	84.7	0.00200	84.0	0.00170
	9	97.7	0.00089	84.1	0.00220	83.7	0.00200
	8	97.4	0.00120	83.5	0.00260	83.3	0.00270
	7	97.0	0.00150	82.9	0.00360	82.9	0.00380
	6	96.6	0.00220	82.4	0.00510	82.5	0.00550
	5	96.0	0.00330	81.7	0.00750	81.9	0.00800
	4	95.1	0.00550	80.9	0.01100	81.1	0.01200
	3	0.936	0.01100	0.796	0.01800	0.799	0.01800
	2	0.901	0.02600	0.772	0.02900	0.775	0.03000
	1	0.813	0.07900	0.737	0.08000	0.739	0.08100