Table 2 Descriptive statistics of training and testing sets.
Statistics | OPC | FA | BFS | SF | SP | WC | Fine agg | Coarse agg | W/B | t | T | Cl content | CC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
kg/m3 | kg/m3 | kg/m3 | kg/m3 | kg/m3 | kg/m3 | kg/m3 | kg/m3 | - | years | oC | gL-1 | % wt. of concrete | |
Random seed: 42 (for reproducibility) | |||||||||||||
Training set | |||||||||||||
 Mean | 375.7 | 33.8 | 7.9 | 4.9 | 1.3 | 188.5 | 756.6 | 1007.3 | 0.5 | 4.5 | 17.5 | 18.9 | 0.6 |
 Median | 380.0 | 0.0 | 0.0 | 0.0 | 1.0 | 180.0 | 800.0 | 1020.0 | 0.5 | 2.8 | 16.5 | 19.0 | 0.0 |
 Mode | 400.0 | 0.0 | 0.0 | 0.0 | 1.0 | 180.0 | 800.0 | 1020.0 | 0.5 | 5.0 | 7.0 | 19.0 | 0.0 |
 Std | 71.0 | 61.8 | 36.2 | 12.2 | 1.8 | 40.7 | 85.9 | 92.8 | 0.1 | 7.1 | 9.3 | 2.6 | 0.8 |
 Maximum | 182.0 | 0.0 | 0.0 | 0.0 | 0.0 | 79.5 | 552.0 | 745.0 | 0.3 | 0.1 | 7.0 | 13.0 | 0.0 |
 Minimum | 519.0 | 239.0 | 225.0 | 50.0 | 10.2 | 311.0 | 938.0 | 1305.0 | 0.7 | 48.7 | 50.0 | 24.0 | 2.0 |
 Skewness | -0.3 | 2.0 | 4.5 | 2.5 | 2.5 | 1.3 | -0.1 | 0.2 | 0.9 | 4.3 | 0.4 | 0.3 | 0.8 |
Testing set | |||||||||||||
 Mean | 367.4 | 36.9 | 10.7 | 4.3 | 1.2 | 194.5 | 748.8 | 1005.4 | 0.5 | 3.3 | 17.6 | 18.7 | 0.5 |
 Median | 360.0 | 0.0 | 0.0 | 0.0 | 1.0 | 180.0 | 800.0 | 1020.0 | 0.5 | 2.0 | 14.0 | 19.0 | 0.0 |
 Mode | 340.0 | 0.0 | 0.0 | 0.0 | 1.0 | 180.0 | 800.0 | 1020.0 | 0.5 | 2.0 | 7.0 | 19.0 | 0.0 |
 Std | 65.7 | 57.0 | 41.5 | 12.3 | 1.7 | 44.4 | 87.7 | 90.6 | 0.1 | 3.7 | 9.8 | 2.6 | 0.8 |
 Maximum | 182.0 | 0.0 | 0.0 | 0.0 | 0.0 | 79.5 | 552.0 | 745.0 | 0.3 | 0.1 | 7.0 | 13.0 | 0.0 |
 Minimum | 500.0 | 239.0 | 213.9 | 50.0 | 10.2 | 311.0 | 938.0 | 1305.0 | 0.7 | 22.5 | 50.0 | 24.0 | 2.0 |
 Skewness | -0.4 | 1.9 | 3.8 | 2.9 | 2.4 | 1.3 | -0.3 | 0.3 | 1.0 | 2.3 | 0.4 | 0.3 | 1.0 |
