OPTCLOUD: An Optimal Cloud Service Selection Framework Using QoS Correlation Lens

Table 9

Eigenvalue of the coefficient correlation matrix and their contribution rates.

Principal component	Eigen value	Ratio	Cumulative contribution ratio
1st	3.383	42.2875	42.2875
2nd	2.0843	26.05375	68.34125
3rd	1.547	19.3375	87.67875
4th	0.4842	6.0525	93.73125
5th	0.3082	3.8525	97.73125
6th	0.1309	1.63625	99.22
7th	0.0605	0.75625	99.97625
8th	0.0019	0.02375	100