Table 15 The outcomes of t-test for GCN/GAT-models.
Models | T-statistic | P-value | Significant (p < 0.05) | Mean difference | Cohen’s d | Improvement (%) | |
|---|---|---|---|---|---|---|---|
GCN-BiLSTM | Original-BiLSTM | 5.3124 | 0.0060 | True | 0.0645 | 4.4786 | 29.8049 |
GAT-BiLSTM | Original-BiLSTM | 4.9100 | 0.0080 | True | 0.1668 | 3.8254 | 77.0824 |
GAT-BiLSTM | GCN-BiLSTM | 4.5961 | 0.0101 | True | 0.1023 | 2.4095 | 67.3515 |
GCN-LSTM | Original-LSTM | 10.5228 | 0.0005 | True | 0.0627 | 6.4280 | 28.5884 |
GAT-LSTM | Original-LSTM | 10.6047 | 0.0004 | True | 0.0690 | 7.1069 | 31.4901 |
GAT-LSTM | GCN-LSTM | 7.1438 | 0.0020 | True | 0.0064 | 2.3017 | 4.0634 |
GCN-GRU | Original-GRU | 7.2396 | 0.0019 | True | 0.0625 | 5.2862 | 28.8072 |
GAT-GRU | Original-GRU | 10.6855 | 0.0004 | True | 0.0689 | 7.1554 | 31.7386 |
GAT-GRU | GCN-GRU | 1.5485 | 0.1964 | False | 0.0064 | 0.8617 | 4.1176 |
GCN-Transformer | Original-Transformer | 18.7487 | 0.0000 | True | 0.1452 | 11.2909 | 77.8923 |
GAT-Transformer | Original-Transformer | 14.0360 | 0.0001 | True | 0.1508 | 10.6058 | 80.9401 |
GAT-Transformer | GCN-Transformer | 1.6396 | 0.1764 | False | 0.0057 | 0.7886 | 13.7864 |
