Measles in the 16 states of Germany
Weekly number of measles cases in the 16 states (Bundeslaender) of Germany for years 2005 to 2007.
"sts" object containing \(156\times 16\)
observations starting from week 1 in 2005.
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)