Last update on September 28, 2021
** Based on the data available as of September 26, 2021. Click to enlarge each image.
Replications files are available here.
1. Forecast Errors
i. One-week horizon
| “Conditional” forecast from last week |
Actual |
“Conditional” forecast error |
|
|---|---|---|---|
| New Cases | 62,791 | 15,840 | 46,951 |
| New Deaths | 384 | 262 | 122 |
| New ICUs | 2,742 | 1,805 | 937 |
Source: Authors’ calculation.
Note: Our model provides projections of Covid-19 conditional on paths of output but does not provide the projection of output. Thus, we compare the actual Covid-19 outcomes with the projection of them if the model had known the realized path of output.
2. Real-time Evaluation of the Model’s Forecasting Performance
i. One-week horizon
 |
Source: Authors’ calculation.
Note: The red lines—“Forecast”—are what the model would have predicted given the data available up to that point.