salmonella.agona {surveillance}R Documentation

Salmonella Agona cases in the UK 1990-1995

Description

Reported number of cases of the Salmonella Agona serovar in the UK 1990-1995. Note however that the counts do not correspond exactly to the ones used by Farrington et. al (1996).

Usage

data(salmonella.agona)

Format

A data frame with 312 observations on the following 2 variables.

week
First four digits are the year, last two the week number within that year
observed
Number of counts in the corresponding week
state
Boolean whether there was an outbreak – dummy not implemented.

Source

A statistical algorithm for the early detection of outbreaks of infectious disease, Farrington, C.P., Andrews, N.J, Beale A.D. and Catchpole, M.A. (1996). , J. R. Statist. Soc. A, 159, 547-563.

Examples

data(salmonella.agona)
plot(salmonella.agona$observed,type="l",ylab="counts",xlab="")


[Package surveillance version 1.0-3 Index]