TABLE 1.
Mean day of detection relative to public health response for a false alarm rate of 4 per year, by algorithm and outbreak size
Outbreak size | DSMA* | ARIMA† (1,0,1) | EWMA§ 0.05 | EWMA 0.20 | CUSUM¶- EWMA 0.05 |
CUSUM- EWMA 0.20 |
---|---|---|---|---|---|---|
0.10% | −16.19 | −15.4 | −13.4 | −6.11 | −13.48 | −11.43 |
0.50% | −17.81 | −15.44 | −13.45 | −6.32 | −13.52 | −11.78 |
1.00% | −20.66 | −16 | −13.57 | −6.33 | −16.19 | −12.45 |
5.00% | −24.76 | −23.14 | −22.89 | −17.52 | −23.41 | −22.66 |
10.00% | −26.22 | −24.74 | −24.67 | −22.2 | −24.67 | −24.18 |
Day-specific moving average.
Autoregressive integrated moving average.
Exponentially weighted moving average.
Cumulative sum.