DAX (Data Analysis Expressions) is the formula language used in Power BI for data modeling and analysis. Here are key functions to master:

🔑 Core Functions

  • CALCULATE
    Modifies context and evaluates expressions.
    Example: CALCULATE(SUM(Sales[Amount]), FILTER('Date', 'Date'[Year] = 2023))

    Calculate_Function

  • FILTER
    Returns a table with filtered rows.
    Example: FILTER(Users, Users[Region] = "North")

    Filter_Function

  • SUMX
    Iterates over a table and sums results.
    Example: SUMX('Sales', 'Sales'[Quantity] * 'Sales'[Price])

    Sumx_Function

📚 Extend Your Knowledge

For deeper insights into DAX best practices, visit our DAX Best Practices Guide.

DAX_Best_Practices