Dev.to
6/28/2026

The original title is "Power BI: From Data Cleaning to Interactive Dashboards"
Original: Power BI: From Data Cleaning to Interactive Dashboards
Short summary
Complete Power BI tutorial spanning data cleaning to dashboard creation. Teaches practical data quality techniques (handling missing values, duplicate removal), data modeling principles (fact/dimension tables, primary/foreign keys), relationship design, join types, and schema patterns (Star vs Snowflake). Demonstrates how to structure data efficiently and create interactive visualizations that tell data-driven stories to drive business decision-making.
- •Data cleaning strategies: handle missing values contextually (N/A for text, statistical measures for numeric, remove rows >90% empty)
- •Data modeling fundamentals: structure with fact tables (transactions/measurable data) and dimension tables (context/descriptive attributes)
- •Dashboard design: organize relationships efficiently and create interactive visualizations that tell stories to drive business action
Generated with AI, which can make mistakes.
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