Table 1
Minimum, maximum and average values of the used parameters in each data set.
| Minimum | Maximum | Average | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Train | Test | All | Train | Test | All | Train | Test | All | |
| Hydrolysis (%) | 25 | 25 | 25 | 30 | 30 | 30 | 29.30 | 29.36 | 29.31 |
| MW (Dalton) | 8 | 8 | 8 | 20 | 20 | 20 | 15.01 | 14.46 | 14.92 |
| HPAM concentration (ppm) | 0.5 | 0.5 | 0.5 | 3 | 3 | 3 | 2.84 | 2.87 | 2.85 |
| T (K) | 298 | 298 | 298 | 363 | 363 | 363 | 308.19 | 307.42 | 308.06 |
| Salt concentration (ppm) | 0 | 0 | 0 | 3 | 3 | 3 | 1.3984 | 1.3782 | 1.3980 |
| Hardness (10−3 ppm) | 0 | 0 | 0 | 3 | 3 | 3 | 0.47 | 0.47 | 0.47 |
| Shear rate (s−1) | 1 | 1 | 1 | 10 000 | 10 000 | 10 000 | 463.41 | 461.51 | 463.03 |
| HPAM solution viscosity (mPa.s) | 0.4344 | 0.4344 | 0.4344 | 2.9174 | 2.9174 | 2.9174 | 1.3922 | 1.5423 | 1.4179 |