RETRACTED: Study on Large-Scale Promotion of Prefabricated Buildings in Anhui Province Based on SEM and IoT

Table 3

Total variance explained.

Component	Initial eigenvalues			Extraction sums of squared loadings
	Total	% of variance	Cumulative %	Total	% of variance	Cumulative %
1	7.875	37.501	37.501	7.875	37.501	37.501
2	1.653	7.870	45.371	1.653	7.870	45.371
3	1.476	7.030	52.401	1.476	7.030	52.401
4	1.340	6.379	58.780	1.340	6.379	58.780
5	1.042	4.962	63.742	1.042	4.962	63.742
6	0.797	3.797	67.540
7	0.708	3.373	70.913
8	0.653	3.110	74.022
9	0.609	2.899	76.921
10	0.580	2.760	79.681
11	0.555	2.641	82.322
12	0.501	2.385	84.706
13	0.463	2.204	86.911
14	0.441	2.101	89.012
15	0.417	1.983	90.996
16	0.365	1.736	92.732
17	0.360	1.716	94.447
18	0.351	1.672	96.119
19	0.314	1.495	97.615
20	0.264	1.257	98.872
21	0.237	1.128	100.000

Extraction method: principal component analysis.