Residual Compressive Strength of High-Strength Concrete Exposed to Elevated Temperatures

Table 4

Sensitivity analysis with feedforward back propagation for different sets of input variables.

Input variables	MPE	MAPE	RMSE	CC
All	1.36	14.92	0.10	0.95
No a/b	2.21	15.05	0.10	0.95
No w/b	3.26	15.96	0.12	0.93
No Hr	2.12	16.77	0.11	0.93
No T	27.63	53.42	0.27	0.51
No	4.10	15.63	0.11	0.94
Only T	6.83	19.47	0.14	0.90

MPE, mean percent error; MAPE, mean absolute percent error; RMSE, root mean square error; CC, correlation coefficient.