Research Article

Experimental Investigations of Nano Finishing Process on Nickel-Free Austenitic Stainless Steel by Grey Relational and Principal Component Analysis

Table 3

Eigen values and variation of principal components.

ComponentsEigen valueDifferenceVariation (%)Cumulative (%)Eigenvector [MRR and SR]

Z1 component1.92760.70096.4096.40[0.707, 0.707]
Z2 component0.07240.6673.60100.00[0.707, −0.707]