The Forecasting System requires that the input data set contain time series observations ... In addition to the interval names provided in the pop-up list, you can type in more complex interval names ...

the data set should contain a missing observation, in which all variables except the ID variables have missing values. You can replace omitted observations in a time series data set with missing ...

Learn by doing with this user-friendly introduction to time series data analysis in R ... The case studies are designed to stretch the learner, introducing larger data sets, enhanced data management ...