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Figure 3 | BMC Public Health

Figure 3

From: Detection of influenza-like illness aberrations by directly monitoring Pearson residuals of fitted negative binomial regression models

Figure 3

Daily observed influenza-like illness emergency department visits in northern Taiwan in 2009 (A), and results of aberration detection by proposed method (B), by modified CUSUM applied to the Pearson residuals (C). *Note: Detected aberration signals are marked with a red x at the top. The time period between the two dashed lines was August 2009.

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