Knowledge base · Seasonality & forecasting
Seasonality and forecasting
Seasonality from real monthly series of official statistics: resort towns and regions of Europe, European countries, Japan by prefecture, Singapore, and guest interest in resorts. Forecasts are checked against history and shown only when they pass; below is the probability of meeting your plan.
History and forecast
Line: actuals; green: best method's forecast with 80% and 95% bands; dashed: how it 'predicted' the last year of history.
Seasonality from data
Seasonal indices of the classical decomposition (mean = 1.0) and profiles of individual years.
Plan versus forecast
Enter a plan for the horizon: one number (annual total; for percentages the average level) is spread over months by the seasonal indices, or a comma-separated monthly list.