From: Parametric optimization of corrosion and wear of electroless Ni-P-Cu coating using grey relational coefficient coupled with weighted principal component analysis
Principal components
Eigenvalue
Proportion of overall variation
Eigenvector
1st
1.5414
0.514
[0.701, 0.711, 0.051]
2nd
1.0358
0.345
[0.21, −0.138, −0.968]
3rd
0.4227
0.141
[0.681, −0.689, 0.246]