Table 1 Performance of all the investigated query-only models in nowcasting ILI rates using Pearson correlation (r), MAE and MAPE between predictions and response data across the five identified flu periods.
From: Advances in nowcasting influenza-like illness rates using search query logs
Period | Weeks | GFT | Elastic Net | GP | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
r | MAE × 10 2 | MAPE(%) | r | MAE × 10 2 | MAPE(%) | r | MAE × 10 2 | MAPE(%) | ||
2008–09 | 48 | 0.66 | 0.490 | 30.8 | 0.94 | 0.180 | 10.6 | 0.94 | 0.175 | 10.6 |
2009–10 | 57 | 0.97 | 0.324 | 14.4 | 0.99 | 0.499 | 15.1 | 0.99 | 0.451 | 14.6 |
2010–11 | 52 | 0.97 | 0.390 | 18.0 | 0.99 | 0.168 | 11.3 | 0.99 | 0.130 | 9.5 |
2011–12 | 52 | 0.92 | 0.550 | 33.1 | 0.94 | 0.131 | 9.8 | 0.94 | 0.129 | 9.8 |
2012–13 | 65 | 0.96 | 0.209 | 9.5 | 0.98 | 0.286 | 12.1 | 0.99 | 0.199 | 9.4 |
2008–13 | 274 | 0.89 | 0.381 | 20.4 | 0.92 | 0.260 | 11.9 | 0.95 | 0.221 | 10.8 |
