Optimization of process parameters of 3D printed thermoplastic elastomeric materials using statistical modeling with particular reference to mechanical properties and print quality

Functional Composite Materials

Table 3 ANOVA analysis for shrinkage

Source	DF	Adj SS	Adj MS	F-Value	P-Value	R²	Remarks
Model	5	1576.46	315.291	73.59	0	95.03%	F_0.05,5,14= 2.958
Linear	3	1325.7	441.9	103.13	0		F_model> F_0.05,5,14
Square	2	250.76	125.378	29.26	0		Model is adequate
Error	14	59.99	4.285
Lack-of-Fit	9	40.92	4.546	1.19	0.446		F_0.05,9,14= 2.645 F_{lack of fit} < F_0.05,9,14
Total	19	1636.44					Lack of fit is insignificant

DF: Degree of freedom, F-value: Fisher’s value, Adj MS: Adjusted mean squares, Adj SS: Adjusted sum of squares