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AGGR() Function in Qlikview
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- Basic Concept
- AGGR() function enables advanced aggregations in Qlikview expressions
- Function requires expression and dimension parameters
- Returns values calculated over specified dimensions
- Key Features
- Supports multiple dimensions in aggregation calculations
- Allows aggregation over different data sets
- Can be used as calculated dimension for hidden calculations
- Enables sum-of-rows totals in pivot tables
- Practical Applications
- Calculates average order amounts across multiple products
- Determines average product counts in orders
- Creates custom list boxes based on aggregation results
- Tracks upsells by combining product combinations
- Implementation Details
- Expression can be preceded by distinct or nodistinct qualifier
- Dimension must be single field, not calculated dimension
- Set Analysis can filter results based on current date
- Can be used in chart expressions for custom calculations