Research Article

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

Table 5

S/N ratios of different responses.

Trial no. 𝑅 𝑎 𝑅 𝑞 𝑅 s k 𝑅 k u 𝑅 s m

1 7.74432 5.67993 −0.42379 −14.90150 16.71294
2 7.33063 4.88250 3.74173 −16.53445 17.52297
3 4.15217 1.41162 −11.97581 −17.36701 17.01562
4 7.74432 5.51448 −0.82785 −16.61177 14.75098
5 6.74484 4.58296 3.74173 −17.80842 14.02294
6 6.74484 4.29340 −5.80069 −14.41971 15.44227
7 7.95880 5.51448 −8.26600 −15.26856 15.23908
8 7.33063 4.58296 −9.65747 −16.93911 16.30617
9 8.17871 6.19608 7.33063 −12.19189 16.47817
10 9.11864 7.13095 4.58296 −10.93085 12.91783
11 6.37518 4.58296 7.95880 −11.43418 13.07294
12 8.17871 4.88250 −6.72919 −15.41704 15.54567
13 10.75204 8.40433 −4.13652 −17.23785 18.63628
14 4.01319 2.49877 −0.98436 −15.25357 14.75098
15 8.87395 6.93575 0.81917 −16.27162 16.42046
16 4.29340 2.73354 −0.58768 −16.49553 25.19275
17 4.29340 2.04746 −3.10672 −17.48964 25.51448
18 4.15217 1.93820 0.91515 −14.55083 24.73144
19 7.13095 5.03624 −0.66848 −15.97301 17.92393
20 6.93575 4.58296 −1.72720 −16.72648 23.74173
21 0.26457 −2.41148 −3.75041 −19.95646 21.93820
22 6.93575 4.73144 −0.66848 −17.96353 21.83030
23 7.13095 5.19275 1.93820 −15.44643 16.65365
24 2.38373 −0.66848 −9.74277 −16.43027 16.53627
25 6.19608 3.34982 −9.30766 −9.57133 19.49388
26 7.74432 5.67993 −0.66848 −19.23791 20.63034
27 6.37518 4.15217 −0.25674 −16.40403 19.82800