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Statistical significance and ablation study of the proposed ST-GNN.
| Comparison/Variant | ΔRMSE Vs proposed method | ΔMAE Vs proposed method | p-value (Wilcoxon) | Effect size (r) |
|---|---|---|---|---|
| ST-GCN | + 0.8 | + 0.7 | 0.012 | 0.56 |
| DCRNN | + 1.1 | + 0.9 | 0.008 | 0.62 |
| Ablation: Static graph | + 0.7 | + 0.6 | – | – |
| Ablation: No attention | + 0.5 | + 0.4 | – | – |
| Ablation: No mobility features | + 1.2 | + 1.0 | – | – |
