Power BI is a powerful business intelligence tool. The DAX (Data Analysis Expressions) language allows users to create custom calculations on data within the application. Whether you're a beginner or an advanced user, knowing the essential DAX measures is crucial for effective data analysis. This blog post will explore a 'must-have package' of DAX measures that can be reused across various datasets. We will start from basic measures such as SUM, COUNT, and AVERAGE, and move t