Table 6 Analysis of variance (ANOVA) for WSD
From: Optimizing nanoparticle attributes for enhanced anti-wear performance in nano-lubricants
Source | DF | Adj SS | Adj MS | F-value | P-value | VIF |
|---|---|---|---|---|---|---|
Model | 6 | 123,898 | 20,649.7 | 6251.69 | 0.000 | Â |
Blocks | 1 | 1 | 1.3 | 0.39 | 0.551 | Â |
Linear | 2 | 9493 | 4746.7 | 1437.05 | 0.000 | Â |
Hardness | 1 | 5643 | 5642.7 | 1708.31 | 0.000 | 1.00 |
Concentration | 1 | 3851 | 3850.7 | 1165.79 | 0.000 | 1.00 |
Square | 2 | 43,604 | 21,802.2 | 6600.61 | 0.000 | Â |
Hardness*hardness | 1 | 8594 | 8593.5 | 2601.68 | 0.000 | 1.26 |
Concentration*concentration | 1 | 19,766 | 19,766.4 | 5984.27 | 0.000 | 1.26 |
2-way interaction | 1 | 65,280 | 65,280.3 | 19,763.56 | 0.000 | Â |
Hardness*concentration | 1 | 65,280 | 65,280.3 | 19,763.56 | 0.000 | 1.00 |
Error | 7 | 23 | 3.3 | Â | Â | Â |
Lack-of-fit | 3 | 16 | 5.5 | 3.29 | 0.140 | Â |
Pure error | 4 | 7 | 1.7 | Â | Â | Â |
Total | 13 | 123,921 | Â | Â | Â | Â |