Measles in the 16 states of Germany
Weekly number of measles cases in the 16 states (Bundeslaender) of Germany for years 2005 to 2007.
data(measlesDE)
An "sts" object containing 156 x 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.
Robert Koch-Institut: SurvStat: https://survstat.rki.de/; Queried on 14 October 2009.
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
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)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.