Comparison of mean absolute error (MAE) values for PR regression using different loss functions and similarity metrics on the HPPT test set. Lower values indicate better performance.
| Similarity metrics | ||
|---|---|---|
| Loss function | Jaccard distance | Levenshtein distance |
| L1-loss | 0.0837 | 0.0832 |
| Smooth L1-loss (β = 0.1) | 0.0779 | 0.0866 |
| Mean Square Error | 0.0728 | 0.0813 |
| Similarity metrics | ||
|---|---|---|
| Jaccard distance | Levenshtein distance | |
| L1-loss | 0.0837 | 0.0832 |
| Smooth L1-loss ( | 0.0779 | 0.0866 |
| Mean Square Error | ||
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