Research Article
An Improved Generalized-Trend-Diffusion-Based Data Imputation for Steel Industry
Table 1
Imputation accuracies with two kinds of orders.
| Group | Order | RMSE | NRMSE | MAPE (%) |
| 1 | Chronological order | 169.30 | 0.1486 | 45.65 | BSTM | 110.54 | 0.0970 | 25.97 |
| 2 | Chronological order | 92.74 | 0.0669 | 18.80 | BSTM | 82.40 | 0.0594 | 14.56 |
| 3 | Chronological order | 107.70 | 0.0842 | 23.95 | BSTM | 57.32 | 0.0448 | 11.41 |
| 4 | Chronological order | 120.47 | 0.1022 | 29.75 | BSTM | 95.64 | 0.0812 | 21.44 |
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