Summary  
This chapter covers constructing and using hierarchical data structures in code to enable drill-down, drill-up, and expand interactions for dynamic navigation across different levels of detail.

General domain of usage  
Interactive data reporting

Explore the powerful **drill up**, **drill down**, and **expand** features in Power BI to make your reports more interactive and insightful. Learn how to set up **hierarchies** that let you seamlessly move between detailed data views and summarized overviews. These tools enable you to analyze trends at different levels of granularity — from broad summaries to specific details — enhancing both your data exploration and storytelling capabilities in Power BI.

Which feature allows users to navigate from a summary level of data to a more detailed view?

Power BI is an essential tool for any aspiring data analyst or business professional. Learn how to transform raw data into insightful visualizations and interactive dashboards, connect to various data sources, and create compelling reports for informed decision-making.

Dive into the world of Power BI and build a solid foundation. You'll cover everything from installation and setup to connecting data sources and creating your first report.

Explore essential data preparation techniques, including cleaning, transforming, and combining multiple data sources. You'll also tackle handling missing values, data profiling, and various data manipulation methods.


Master the fundamentals of data modeling, from understanding data models and creating relationships to getting the hang of DAX basics. You'll also learn to create measures and calculated columns.


Discover various visualization techniques and customize visuals for better insights. You'll also explore advanced features like slicers, filters, and drill-down/drill-through capabilities to enhance your data analysis.


Boost the usability and storytelling power of your reports by using themes, configuring report pages, and leveraging advanced features like the Analyze feature and identifying outliers. You'll also create groups, bins, and clusters for deeper insights.


Drilldown and Hierarchies

Drilldown and Hierarchies