Research Article
Residual Compressive Strength of High-Strength Concrete Exposed to Elevated Temperatures
Table 6
Error estimates for different predictive models.
| Parameter for error estimate | Normalized concrete strength (Rā=ā ) | Regression Model 1 | Regression Model 2 | Regression Model 3 | Regression Model 4 |
| Mean percent error (MPE) | 6.70 | 5.88 | 6.71 | 5.66 | Mean absolute percent error (MAPE) | 20.04 | 26.68 | 19.95 | 28.20 | Root mean square error (RMSE) | 0.14 | 0.15 | 0.14 | 0.15 | Percent data for error within 15% | 54 | 45 | 55 | 46 | Percentage error enveloping 80% data | 31.8 | 34.4 | 30.8 | 38.4 |
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