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