Top 5 DAX Functions in Power BI : CALCULATE : One of the most powerful DAX functions, CALCULATE allows you to modify the filter context of a measure or column and perform advanced calculations. It's essential for creating complex measures, particularly when combining multiple filters or overriding existing ones. DAX code- ------------ CALCULATE([Total Sales], YEAR('Sales'[Date]) = 2024) SUMX : SUMX is an iterator function that goes row by row, applying a calculation and then summing the results. It’s useful for complex aggregations where a simple SUM is insufficient. DAX code ----------- SUMX(Orders, Orders[Quantity] * Orders[Unit Price]) RELATED : RELATED is used to bring data from a related table into the current one. It's crucial for calculations that span multiple tables in a data model with relationships. DAX code -------- RELATED(Product[Price]) FILTER : FILTER allows you to create a subset of a table based on a condition, giving you precise control over the ...