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Measles in the 16 states of Germany

measlesDE.Rd

Weekly number of measles cases in the 16 states (Bundeslaender) of Germany for years 2005 to 2007.

Usage

data(measlesDE)

Format

An "sts" object containing \(156\times 16\) observations starting from week 1 in 2005.

The population slot contains the population fractions of each state at 31.12.2006, obtained from the Federal Statistical Office of Germany.

Source

Robert Koch-Institut: SurvStat: https://survstat.rki.de/; Queried on 14 October 2009.

See also

MMRcoverageDE

References

Herzog, S. A., Paul, M. and Held, L. (2011): Heterogeneity in vaccination coverage explains the size and occurrence of measles epidemics in German surveillance data. Epidemiology and Infection, 139, 505-515. doi:10.1017/S0950268810001664

Examples

data(measlesDE)
plot(measlesDE)

## aggregate to bi-weekly intervals
measles2w <- aggregate(measlesDE, nfreq = 26)
plot(measles2w, type = observed ~ time)

## use a date index for nicer x-axis plotting
epoch(measles2w) <- seq(as.Date("2005-01-03"), by = "2 weeks",
                        length.out = nrow(measles2w))
plot(measles2w, type = observed ~ time)