International Scholarly Research Notices / 2012 / Article / Tab 7

Research Article

Optimization of Multiple Roughness Characteristics of Chemically Deposited Ni-P-W Coating Using Weighted Principal Component Analysis

Table 7

Scaled S/N ratio and MPI values.

Trial no.Scaled S/N ratioMPI
𝑅 π‘Ž 𝑅 π‘ž 𝑅 s k 𝑅 k u 𝑅 s m

1 0.71321 0.74811 0.57950 0.48675 0.30128 βˆ’0.64105
2 0.67376 0.67438 0.78845 0.32951 0.36558 βˆ’0.67681
3 0.37069 0.35347 0.00000 0.24934 0.32531 βˆ’0.18465
4 0.71321 0.73281 0.55923 0.32206 0.14553 βˆ’0.64228
5 0.61791 0.64669 0.78845 0.20684 0.08773 βˆ’0.68157
6 0.61791 0.61992 0.30977 0.53314 0.20041 βˆ’0.48112
7 0.73366 0.73281 0.18610 0.45141 0.18428 βˆ’0.50100
8 0.67376 0.64669 0.11630 0.29055 0.26899 βˆ’0.41577
9 0.75463 0.79583 0.96849 0.74766 0.28264 βˆ’0.82835
10 0.84425 0.88227 0.83065 0.86909 0.00000 βˆ’0.86294
11 0.58266 0.64669 1.00000 0.82062 0.01231 βˆ’0.77824
12 0.75463 0.67438 0.26319 0.43711 0.20861 βˆ’0.51526
13 1.00000 1.00000 0.39325 0.26178 0.45397 βˆ’0.70548
14 0.35744 0.45399 0.55138 0.45285 0.14553 βˆ’0.45409
15 0.82092 0.86422 0.64185 0.35482 0.27806 βˆ’0.73192
16 0.38416 0.47569 0.57127 0.33326 0.97446 βˆ’0.37706
17 0.38416 0.41226 0.44491 0.23753 1.00000 βˆ’0.30223
18 0.37069 0.40216 0.64666 0.52052 0.93784 βˆ’0.38825
19 0.65472 0.68860 0.56722 0.38357 0.39741 βˆ’0.58723
20 0.63611 0.64669 0.51411 0.31102 0.85927 βˆ’0.49255
21 0.00000 0.00000 0.41262 0.00000 0.71609 βˆ’0.07800
22 0.63611 0.66041 0.56722 0.19190 0.70753 βˆ’0.53232
23 0.65472 0.70307 0.69798 0.43428 0.29657 βˆ’0.65586
24 0.20207 0.16115 0.11202 0.33954 0.28725 βˆ’0.12666
25 0.56558 0.53267 0.13385 1.00000 0.52205 βˆ’0.34424
26 0.71321 0.74811 0.56722 0.06919 0.61227 βˆ’0.58982
27 0.58266 0.60686 0.58788 0.34207 0.54857 βˆ’0.53055

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