Prediction Modeling and Sensitivity Analysis of Robot Bone Milling Temperature Operated by a Doctor

Table 6

Analysis of variance for quadratic regression equation T₁.

Factors	Sum of squares of deviations	Degrees of freedom	Mean square error	F	(Prob > F)
Model	803.78	9	89.31	6001.18	0.0201	Significant
Rotation speed A	649.64	1	649.64	43653.00	0.0098	Significant
Feed speed B	87.62	1	87.62	5887.45	0.0054	Significant
Milling depth C	38.81	1	38.81	2607.81	0.0136	Significant
AB	0.000	1	0.000	0.000	1.0000
AC	5.000E − 003	1	5.000E − 003	0.34	0.5750
BC	0.020	1	0.020	1.34	0.2733
A^2	27.37	1	27.37	1838.87	<0.0001
B^2	4.27	1	4.27	286.64	<0.0001
C^2	2.21	1	2.21	148.17	<0.0001
Residual	0.15	10	0.015
Misfit term	0.055	5	0.011	0.59	0.7090	Not significant
Pure error	0.093	5	0.019