Table 4 Identified suspected data and outliers for the proposed CatBoost model using the leverage technique.
No. | Temperature (K) | PZ concentration (M) | CO2 partial pressure (kPa) | Exp. CO2 loading (mol CO2/ mol PZ) | Pred. CO2 loading (mol CO2/ mol PZ) | H | SR | Status | Ref. |
---|---|---|---|---|---|---|---|---|---|
1 | 298 | 0.2 | 817.3 | 2.392 | 2.216 | 0.00303 | -5.828 | Suspected | 47 |
2 | 298 | 0.2 | 1171 | 2.75 | 2.619 | 0.00374 | -4.336 | Suspected | 47 |
3 | 328 | 0.4 | 385.3 | 1.191 | 1.091 | 0.00308 | -3.314 | Suspected | 47 |
4 | 298 | 0.2 | 76.51 | 1.185 | 1.281 | 0.00317 | 3.177 | Suspected | 47 |
5 | 328 | 0.2 | 550.7 | 1.463 | 1.579 | 0.00347 | 3.831 | Suspected | 47 |
6 | 308 | 0.2 | 238.5 | 1.275 | 1.410 | 0.00318 | 4.492 | Suspected | 47 |
7 | 303.15 | 0.1 | 0.924 | 1.285 | 1.428 | 0.00367 | 4.730 | Suspected | 53 |
8 | 313 | 0.3 | 1108 | 1.49 | 1.594 | 0.00363 | 3.437 | Suspected | 52 |
9 | 313 | 0.3 | 6489 | 2.77 | 2.756 | 0.07375 | -0.448 | Outlier | 52 |
10 | 343 | 0.3 | 5745 | 2.06 | 2.000 | 0.05682 | -1.937 | Outlier | 52 |
11 | 313 | 0.3 | 5421 | 2.61 | 2.572 | 0.05070 | -1.236 | Outlier | 52 |
12 | 343 | 0.3 | 5214 | 1.99 | 2.000 | 0.04647 | 0.323 | Outlier | 52 |
13 | 313 | 0.3 | 4536 | 2.43 | 2.432 | 0.03503 | 0.077 | Outlier | 52 |
14 | 343 | 0.3 | 4285 | 1.86 | 1.840 | 0.03105 | -0.652 | Outlier | 52 |
15 | 343 | 1.2 | 7399 | 1.8 | 1.798 | 0.09663 | -0.070 | Outlier | 52 |
16 | 313 | 1.2 | 6150 | 2.03 | 2.048 | 0.06629 | 0.574 | Outlier | 52 |
17 | 343 | 1.2 | 6150 | 1.7 | 1.662 | 0.06557 | -1.204 | Outlier | 52 |
18 | 313 | 1.2 | 5149 | 1.94 | 1.956 | 0.04565 | 0.527 | Outlier | 52 |
19 | 343 | 1.2 | 5174 | 1.59 | 1.620 | 0.04560 | 0.963 | Outlier | 52 |
20 | 343 | 1.2 | 4314 | 1.51 | 1.543 | 0.03113 | 1.088 | Outlier | 52 |
21 | 313 | 1.2 | 4265 | 1.83 | 1.799 | 0.03074 | -1.030 | Outlier | 52 |
22 | 333.15 | 6.2 | 0.331 | 0.462 | 0.455 | 0.02420 | -0.235 | Outlier | 49 |
23 | 333.15 | 6.2 | 1.865 | 0.578 | 0.602 | 0.02420 | 0.791 | Outlier | 49 |
24 | 333.15 | 6.2 | 6.791 | 0.708 | 0.698 | 0.02419 | -0.332 | Outlier | 49 |
25 | 353.15 | 6.2 | 2.115 | 0.444 | 0.463 | 0.02370 | 0.612 | Outlier | 50 |
26 | 353.15 | 6.2 | 9.141 | 0.58 | 0.571 | 0.02369 | -0.295 | Outlier | 50 |
27 | 373.15 | 6.2 | 7.871 | 0.444 | 0.462 | 0.02322 | 0.603 | Outlier | 50 |
28 | 373.15 | 6.2 | 33.652 | 0.58 | 0.582 | 0.02320 | 0.070 | Outlier | 50 |