4.9 Context in DAX in Power BI

Опубликовано: 01 Июль 2025
на канале: Crunching Data

📊 Understanding Context in DAX for Power BI

In this video, we explore one of the most important concepts in DAX (Data Analysis Expressions) for Power BI: Context. Understanding how context works is essential for writing accurate and efficient DAX formulas, allowing you to create dynamic calculations and sophisticated models.

✅ Key Topics Covered:

What is Context in DAX?

Explanation of Row Context and Filter Context in Power BI

How these contexts impact calculations and measures in your model

Row Context:

How DAX formulas calculate values on a row-by-row basis

Example: Calculating a custom column based on other column values

Filter Context:

How filters affect the values of measures and aggregates

Example: Using CALCULATE to change filter context for dynamic results

Context Transition:

How DAX switches between row and filter context

How to control context when needed to refine calculations

Real-World Use Cases:

Practical scenarios of using context in DAX for powerful data insights

Examples of how to work with SUMX, FILTER, and ALL functions in context-based calculations

💡 Why it’s Important:
Context is the backbone of many DAX functions and understanding it is critical to creating accurate, context-sensitive calculations in Power BI. Whether you’re aggregating data, building measures, or troubleshooting complex DAX formulas, knowing how context works will improve your DAX skills significantly.

🚀 What You’ll Learn:
By the end of this video, you’ll have a solid grasp on the two types of context in DAX—row context and filter context—and how they impact your calculations. You'll also learn how to harness the power of context to refine your data analysis in Power BI.

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