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. 2023 Nov 13;9(11):e22338. doi: 10.1016/j.heliyon.2023.e22338

Table 4.

Statistical adequacy evaluation of models.

Source Sequential p-value Lack of Fit p-value Adjusted R2 Predicted R2
Linear 0.0037 0.0159 0.5488 0.2580
2FI 0.1342 0.0224 0.6558 0.0007
Quadratic 0.0019 0.3575 0.9349 0.7425
Cubic 0.3575 0.9451