International tourists in Hawaii
Use this diagram to explain the four components of a time series,
Deseasonalised = Trend + Cyclical + Residual
Use the checkboxes to subtract components from the top diagram and add them to the bottom one.
Show the sum of the seasonal, trend and cyclical components in the bottom diagram. Mention that each of these can be forecast into the future.
The data set gives the numbers of international tourists in Hawaii each month from 1990 to 1999.