Monthly patient count for products that are related to medical problems. There are 767 time series that had a mean count of at least 10 and no zeros.
Source
Hyndman, R.J., Koehler, A.B., Ord, J.K., and Snyder, R.D., (2008) Forecasting with exponential smoothing: the state space approach, Springer
Examples
plot(hospital[, 1:10], main = "Monthly patient count", xlab = "Year")
