Figure 10From: Recursive least squares background prediction of univariate syndromic surveillance data Probabilities of detection for fixed false alarm rate of 1 per week, and α = 0.25, 0.5, 0.75 and 1, corresponding to maximum count increases of 25, 50, 75 and 100 percent – RLS (red) vs W2 (blue) – X-axis represents all 15 data sets (rows 2 through 16 of Table 1 ). [Note that the Y-axes have different ranges.].Back to article page