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Volume 19, Number 1—January 2013
Research

Automated Biosurveillance Data from England and Wales, 1991–2011

Doyo G. Enki, Angela Noufaily, Paul H. Garthwaite, Nick J. Andrews, André Charlett, Chris Lane, and C. Paddy FarringtonComments to Author 
Author affiliations: Author affiliations: Open University, Milton Keynes, UK (D.G. Enki, A. Noufaily, P.H. Garthwaite, C.P. Farrington); Health Protection Agency, London, UK (N.J. Andrews, A. Charlett, C. Lane)

Main Article

Figure 6

Relationships between mean and skewness for data on organisms collected, England and Wales, 1991–2011. A) Skewness plotted against log of mean for Cyclospora spp. The full curve is the best fit to the points; the dashed curve corresponds to the negative binomial model; the dotted curve corresponds to the Poisson model. B) Histogram of the parameters corresponding to the best fit curves for 1001 organisms; the value −0.5 corresponds to the negative binomial model (equation 2).

Figure 6. . Relationships between mean and skewness for data on organisms collected, England and Wales, 1991–2011. A) Skewness plotted against log of mean for Cyclospora spp. The full curve is the best fit to the points; the dashed curve corresponds to the negative binomial model; the dotted curve corresponds to the Poisson model. B) Histogram of the parameters corresponding to the best-fit curves for 1,001 organisms; the value −0.5 corresponds to the negative binomial model (equation 2).

Main Article

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Page updated: December 20, 2012
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