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Model summary and parameter estimation of Mean IBI fitting.
| Model | Model summary |
Parameter estimation |
||||||
|---|---|---|---|---|---|---|---|---|
| R2 | F | df1 | df2 | Sig. | Constant | b1 | b2 | |
| Quadratic function | 0.808 | 25.626 | 2 | 12 | 0.000 | 789.146 | −72.524 | 4.622 |
| Logarithmic function | 0.833 | 65.038 | 1 | 13 | 0.000 | 724.761 | −104.598 | – |
| System function | 0.902 | 119.151 | 1 | 13 | 0.000 | 6.195 | 0.486 | – |
| Power function | 0.849 | 72.941 | 1 | 13 | 0.000 | 727.777 | −1.71 | – |
| Inverse function | 0.933 | 180.323 | 1 | 13 | 0.000 | 480.682 | 305.763 | – |
