Table 9 Results of the effect of different transfer functions between 2 layers in predicting compressive strength of 7 and 28 days of self-compacting concrete.
Transfer functions | Tansig–Tansig | Tansig–logsig | Tansig–purline | Purline–logsig | Purline–purline | Purline–Tansig | Logsig–logsig | Logsig–purline | Logsig–tansig | |
|---|---|---|---|---|---|---|---|---|---|---|
MSE Test | \({F}_{c}7\) | 11.69 | 168.14 | 15.31 | 167.82 | 533.25 | 175.10 | 166.84 | 21.83 | 15.10 |
\({F}_{c}28\) | 18.59 | 253.05 | 31.43 | 338.63 | 2.05E + 3 | 45.89 | 253.65 | 41.39 | 83.43 | |
MSE Train | \({F}_{c}7\) | 12.57 | 135.80 | 17.27 | 134.10 | 265.59 | 19.36 | 17.86 | 203.78 | 134.54 |
\({F}_{c}28\) | 18.59 | 223.79 | 28.22 | 337.86 | 1.32E + 3 | 55.50 | 222.97 | 44.53 | 81.35 | |
R Test | \({F}_{c}7\) | 0.96 | 0.41 | 0.95 | 0.44 | 0.30 | 0.39 | 0.43 | 0.92 | 0.95 |
\({F}_{c}28\) | 0.97 | 0.67 | 0.95 | 6.2E−28 | 0.26 | 0.92 | 0.67 | 0.93 | 0.86 | |
R Train | \({F}_{c}7\) | 0.95 | 0.47 | 0.93 | 0.48 | 0.55 | 0.34 | 0.48 | 0.93 | 0.93 |
\({F}_{c}28\) | 0.97 | 0.70 | 0.95 | −1.7E−26 | 0.40 | 0.91 | 0.70 | 0.93 | 0.86 |
