Experimental Research on Key Factors Influencing the Expansion Performance of New Type Sealing Materials

Table 5

Comprehensive statistical analysis of multiple models.

Source	Std. dev	R-squared	Adjusted R-squared	Predicted R-squared	PRESS
Linear	0.22	0.7519	0.7106	0.6149	1.88
2FI	0.23	0.8131	0.7093	0.3961	2.95
Quadratic	0.18	0.9052	0.8105	0.4542	2.66	Suggested
Cubic	0.095	0.9889	0.9480	−0.6049	7.83