Modeling Cost-Estimation Factors for Public Building Projects with Hybrid Approach in Addis Ababa

Table 1

Total variance explained for design-related factors.

Factor	Initial eigenvalues			Extraction sums of squared loadings
	Total	Percentage of variance	Cumulative	Total	Percentage of variance	Cumulative
DER1	4.71	37.19	37.19	4.71	37.19	37.19
DER2	1.41	10.80	47.99	1.41	10.80	47.99
DER3	1.02	7.88	55.87	1.02	7.88	55.87
DER4	0.98	7.24	63.11	0.98	7.24	63.11
DER5	0.90	6.54	69.65	—	—	—
DER6	0.76	5.75	75.40	—	—	—
DER7	0.70	5.22	80.62	—	—	—
DER8	0.60	4.63	85.25	—	—	—
DER9	0.55	4.20	89.46	—	—	—
DER10	0.44	3.47	92.92	—	—	—
DER11	0.34	2.82	95.74	—	—	—
DER12	0.31	2.30	98.04	—	—	—
DER13	0.26	1.96	100.00	—	—	—