This pattern classifies numerical values into ranges. A typical example is the analysis of sales by price range. You do not want to slice the data by individual price; instead you want to simplify the analysis by grouping prices within ranges of prices. The price ranges are stored in a configuration table and the pattern requires the model to be entirely data-driven. In other words, when the configuration table is updated, the model is updated automatically without requiring any change to the DAX code.
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DAX Patterns collection