Model Construction and Parameters Acquisition of the Predicted Surface Movement Deformation under Thick Loose Layer Mining Area

Table 2

Results for antigross error analysis.

Parameters	FOA				ASFOA
	Inflection point		Maximum subsidence point		Inflection point		Maximum subsidence point
	AE	RE	AE	RE	AE	RE	AE	RE
P	0.0451	15.0333	0.0313	10.4333	0.0157	5.2333	0.0076	2.5333
q	0.0247	2.2455	0.1147	10.4273	0.0067	0.6091	0.0204	1.8545
b	0.0236	7.8667	0.0259	8.6333	0.0038	1.2667	0.0049	1.6333
tanβ1	0.1751	11.6733	0.1037	6.9133	0.0919	6.1267	0.0296	1.9733
tanβ2	0.3325	7.3889	0.3775	8.3889	0.1043	2.3178	0.1191	2.6467
S1	5.7739	19.2463	5.8429	19.4763	1.4579	4.8597	1.7449	5.8163
S2	5.0438	16.8127	3.7843	12.6143	1.8338	6.1127	1.0424	3.4747
S3	1.2739	4.2463	1.8643	6.2143	0.4532	1.5107	0.5564	1.8547
S4	2.9717	9.9057	4.3342	14.4473	0.9862	3.2873	0.7205	2.4017
θ	1.7805	2.0703	1.1735	1.3645	0.3094	0.3598	0.0187	0.0217