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Power of Business Intelligence

Power of Business Intelligence

Blog by Andrzej Leszkiewicz. Power BI Developer and Consultant.

  • Better DataViz
    • Posts about IBCS
    • IBCS in Power BI (native visuals)
    • Bad and good charts in Power BI
    • Storytelling with data in Power BI
  • Deneb and Vega ⭐
    • Posts about Deneb and Vega
    • Deneb and Vega overview
    • Deneb Vega templates
    • Custom Vega visualizations
    • Deneb & Vega help
  • PowerofBI.IBCS
  • Power BI Embedded
  • Power BI Reports 📈
  • Books to Read
  • YouTube
  • About
Power of Business Intelligence

Power of Business Intelligence

Blog by Andrzej Leszkiewicz. Power BI Developer and Consultant.

  • Better DataViz
    • Posts about IBCS
    • IBCS in Power BI (native visuals)
    • Bad and good charts in Power BI
    • Storytelling with data in Power BI
  • Deneb and Vega ⭐
    • Posts about Deneb and Vega
    • Deneb and Vega overview
    • Deneb Vega templates
    • Custom Vega visualizations
    • Deneb & Vega help
  • PowerofBI.IBCS
  • Power BI Embedded
  • Power BI Reports 📈
  • Books to Read
  • YouTube
  • About
WoW 2025 Week 24 | Power BI Core Slicers Box Plot
Data Visualization Data Visualization Examples Tricks and Workarounds

WoW 2025 Week 24 | Power BI Core Slicers Box Plot

Andrzej Leszkiewicz June 11, 2025

I don’t often join Workout Wednesday, but when I do, I prefer unconventional solutions. This week, WoW is about PBI Core Visuals, but slicers are … Read More

Data Modeling Data Visualization Sharing and Embedding

Row Level Security → Default Slicer Selection

Andrzej Leszkiewicz June 7, 2025

One more experiment with the Button Slicer: Row-Level Security (RLS)-based default slicer selection (for cases where security isn’t required but a default selection is desired). … Read More

Data Visualization Data Visualization Examples Tricks and Workarounds

Power BI – Date Slicer with Default Selection

Andrzej Leszkiewicz June 5, 2025

Magic of the new Power BI Button Slicer: the current calendar month is always selected by default. In the video, I change the system date, … Read More

Multiple Stars in a Star Schema
Data Modeling Performance

Multiple Stars in a Star Schema

Andrzej Leszkiewicz March 31, 2025

Power BI developers learn that a star schema is the optimal data model design for usability and performance. However, seeing an ideal “star schema” with … Read More

M Language Function to Call Open AI API from Power Query
AI Power Query and M REST API

M Language Function to Call Open AI API from Power Query

Andrzej Leszkiewicz October 6, 2024

I’ve published a new version of the fxOpenAI function for Power Query. https://github.com/avatorl/M/blob/master/fx/fxOpenAI.m How to use System prompt is optional. Default system prompt: “You’re a … Read More

ChatGPTOpenAI
AI Assistant for Tabular Editor
AI Data Modeling Tabular Editor

AI Assistant for Tabular Editor

Andrzej Leszkiewicz September 18, 2024

For now, this is just a quick proof of concept, but it works (at least it worked on my side). It consists of two C# … Read More

Solid, outlined, hatched: How visual consistency helps better understand reports, presentations and dashboards
Data Visualization Data Visualization Examples Storytelling with data

Solid, outlined, hatched: How visual consistency helps better understand reports, presentations and dashboards

Andrzej Leszkiewicz September 3, 2024

Rolf Hichert and Jürgen Faisst’s Solid, Outlined, Hatched is an incredibly practical book about visual consistency that helps readers better understand reports, presentations and dashboards. … Read More

Jürgen FaisstRolf Hichert
Star Schema The Complete Reference
Books Data Modeling Performance

Star Schema The Complete Reference

Andrzej Leszkiewicz August 23, 2024

A data model is not a feature; it’s the core of a Power BI report. You can create a great report without using additional features … Read More

Christopher Adamson
“This is my First Dashboard. Review it.”
Data Visualization Data Visualization Examples Storytelling with data

“This is my First Dashboard. Review it.”

Andrzej Leszkiewicz August 20, 2024

You dragged and dropped some fields into visuals in Power BI. You have your first dashboard. You published it on social media. Comments say it’s … Read More

🔴 Use the Analyze Feature to Explain Fluctuations in Report Visuals
Data Visualization Data Visualization Examples Storytelling with data

🔴 Use the Analyze Feature to Explain Fluctuations in Report Visuals

Andrzej Leszkiewicz August 18, 2024

🔴 Use the Analyze feature to explain fluctuations in report visuals (Preview) About Microsoft Learn. Once again. For me, the data visualization content on Microsoft … Read More

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Newsletter

Recent Posts

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Categories

  • AI (7)
  • Books (3)
  • Consulting (8)
  • Data Modeling (17)
  • Data Preparation (12)
  • Data Visualization (56)
    • Bad and Good Chart in Power BI (7)
    • Data Visualization Examples (24)
    • IBCS (4)
    • Storytelling with data (23)
  • DAX (13)
  • Deneb-Vega (3)
  • Fabric (2)
  • Licensing (3)
  • Performance (11)
  • Power Query and M (11)
  • REST API (5)
  • Sharing and Embedding (16)
  • Tabular Editor (2)
  • Tricks and Workarounds (32)

Selected Visualizations

Power BI Embedded – Live Demo

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Read more about Power BI Embedded...

  • Better DataViz
    • Posts about IBCS
    • IBCS in Power BI (native visuals)
    • Bad and good charts in Power BI
    • Storytelling with data in Power BI
  • Deneb and Vega ⭐
    • Posts about Deneb and Vega
    • Deneb and Vega overview
    • Deneb Vega templates
    • Custom Vega visualizations
    • Deneb & Vega help
  • PowerofBI.IBCS
  • Power BI Embedded
  • Power BI Reports 📈
  • Books to Read
  • YouTube
  • About
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