Table 6 Performance metrics of various Gas quantification algorithms.
Model | Gas Name | RMS | MSE | MAE | NRMS | R2 | LOD | LOQ | SD |
|---|---|---|---|---|---|---|---|---|---|
CNN-LSTM | Acetone | 24.24 | 587.6 | 20.1 | 0.009973 | 0.998 | 40.626 | 135.422 | 13.5422 |
Ethanol | 23.65 | 559.38 | 18.241 | 0.0094 | 0.998 | 45.16 | 150.53 | 18.518 | |
Methanol | 11.698 | 1063.23 | 23.33 | 0.01311 | 0.997 | 68.33 | 227.78 | 22.78 | |
PCA& CNN-LSTM | Acetone | 2.4516 | 6.01 | 2.054 | 0.0009 | 0.9999 | 4.42 | 13.4 | 1.33769 |
Ethanol | 0.29 | 0.086 | 0.221 | 0.000118 | 0.9999 | 1.23 | 3.72995 | 0.292 | |
Methanol | 1.8 | 3.3 | 1.52 | 0.00073 | 0.9999 | 3.46 | 10.49 | 1.04 | |
PCA&XGBOOST | Acetone | 3.2 | 10.29 | 2.714 | 0.0012 | 0.9999 | 10.2 | 30.9 | 0.48452 |
Ethanol | 5.67 | 32.2 | 4.1 | 0.00229 | 0.9999 | 15.45 | 46.83 | 4.654 | |
Methanol | 0.488 | 0.238 | 0.399 | 0.000197 | 0.9999 | 1.1 | 3.35 | 0.3354 | |
RF | Acetone | 0.641 | 0.411 | 0.56 | 0.00026 | 0.9999 | 2.1 | 6.389 | 0.6385 |
Ethanol | 0.6293 | 0.397 | 0.532 | 0.00054 | 0.9999 | 1.51 | 4.5778 | 0.4577 | |
Methanol | 0.492 | 0.242 | 0.37 | 0.00019 | 0.9999 | 1.6122 | 4.885 | 0.4885 | |
RF&GB | Acetone | 5.1 × 10−13 | 2.62 × 10−25 | 3.8 × 10−13 | 2.05 × 10−16 | 1 | 1.12 | 3.394 | 4.13 × 10−13 |
Ethanol | 5 × 10−13 | 2.48 × 10−25 | 4.3 × 10−13 | 2 × 10−16 | 1 | 1.2 × 10−15 | 3.7 × 10−15 | 4.5 × 10−13 | |
Methanol | 9.1 × 10−14 | 8.25 × 10−27 | 4.6 × 10−14 | 3.65 × 10−17 | 1 | 2.4 × 10−16 | 7.3 × 10−16 | 9 × 10−14 | |
RF-GB-NN | Acetone | 0.6 | 0.349 | 0.4739 | 0.00023 | 0.9999 | 0.00153 | 0.00463 | 0.5682 |
Ethanol | 0.637 | 0.406 | 0.5394 | 0.000255 | 0.9999 | 0.00143 | 0.004334 | 0.531 | |
Methanol | 0.56 | 0.317 | 0.4346 | 0.0002 | 0.9999 | 0.0014 | 0.00448 | 0.5557 |
