Use the =FORECAST.SEASONALITY function to automatically detect the length of seasonal cycles (e.g., "4" for quarterly data).
| Section | Must-Have Content | |--------|-------------------| | | - Using FORECAST.ETS and FORECAST.LINEAR - Seasonality adjustment - Confidence intervals - Error metrics (MAD, MSE, MAPE) | | Segmentation | - PivotTable-based clustering - Conditional formatting for segment rules - Use of IF , SWITCH , XLOOKUP for manual segmentation - Basic RFM (Recency, Frequency, Monetary) in Excel | | Data Prep | - Removing duplicates, handling missing values - Creating date tables for time series | | Visualization | - Line + trendlines with forecasting - Segment comparison charts (bar, pie, waterfall) | | Step-by-Step | - Screenshots + shortcut keys - Downloadable example workbook | Use the =FORECAST
Segmentation is the process of grouping customers, products, or data points based on shared characteristics. In Excel, this is achieved through , Conditional Formatting , and Clustering techniques . this is achieved through