Table 8 Significance analysis of surface roughness regression model
From: Research on Surface Roughness of Supersonic Vibration Auxiliary Side Milling for Titanium Alloy
Source of variance | Sum of square | Degree of freedom | Mean square | F value | P-value |
|---|---|---|---|---|---|
A | 0.17 | 1 | 0.17 | 41.84 | 0.0009 |
B | 0.84 | 1 | 0.84 | 208.97 | ≤ 0.0001 |
C | 0.059 | 1 | 0.059 | 14.86 | 0.0130 |
AB | 0.028 | 1 | 0.028 | 7.01 | 0.0331 |
AC | 0.017 | 1 | 0.017 | 4.12 | 0.0818 |
BC | 0.003042 | 1 | 3.042×10−3 | 0.76 | 0.4790 |
A2 | 0.057 | 1 | 0.057 | 14.30 | 0.0071 |
B2 | 1.980×10−3 | 1 | 1.980×10−3 | 0.49 | 0.353 |
C2 | 1.698×10−3 | 1 | 1.698×10−3 | 0.042 | 0.5100 |