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. 2023 Jun 14;9(6):e17254. doi: 10.1016/j.heliyon.2023.e17254

Table 4.

Model summary statistics for the surface area of the prepared porous carbon.

Model summary statistics
Source Std.DeV R-Squared Adjusted R-Squared Predicted R-Squared
Linear 8.45 0.130 −0.032 −0.291
2FI 9.58 0.160 −0.226 −1.096
Quadratic 3.05 0.920 0.908 0.915 Suggested
Cubic 27.46 0.826 0.901 Aliased