The Level of Heavy Metal Contamination in Selected Vegetables and Animal Feed Grasses Grown in Wastewater Irrigated Area, around Asmara, Eritrea

Table 6

Total variance explained (three factors selected) for heavy metals.

Initial eigenvalues				Extraction sums of squared loadings			Rotation sums of squared loadings
Component	Eigen value	Variance (%)	Cumulative (%)	Eigen value	Variance (%)	Cumulative (%)	Eigen value	Variance (%)	Cumulative (%)
PC1	5.50	50.04	50.04	5.50	50.04	50.04	5.46	49.66	49.66
PC2	2.35	21.33	71.37	2.35	21.33	71.37	2.36	21.49	71.15
PC3	1.33	12.13	83.50	1.33	12.13	83.50	1.36	12.35	83.50
PC4	0.88	8.04	91.53
PC5	0.63	5.68	97.22
PC6	0.26	2.32	99.54
PC7	0.03	0.27	99.81
PC8	0.02	0.14	99.95
PC9	0.01	0.05	100.00
PC10	0.00	0.00	100.00