Figure 6
From: Detecting the start of an influenza outbreak using exponentially weighted moving average charts

Comparison of ARL for EWMA, MA(4) and Shewhart Methods Solid line: EWMA, dashed line: MA(4), dashed dot line: Shewhart.
From: Detecting the start of an influenza outbreak using exponentially weighted moving average charts
Comparison of ARL for EWMA, MA(4) and Shewhart Methods Solid line: EWMA, dashed line: MA(4), dashed dot line: Shewhart.