Power BI Mistakes to Avoid (2021)

Discover how to avoid key mistakes in Microsoft Power BI so you can save time and grow your skills.

Introduction

• Improve your Power BI skills

1. Next-Level Power BI

• Main challenges of Power BI
• Systems thinking vs. ad hoc analysis
• Being an effective analyst
• Keys to effective data visualization

2. Connecting to Data

• Don't pull in too much data
• Eliminate extra applied steps
• Remember to profile your data sources
• Remove unnecessary rows and columns

3. Modeling Data

• Create a lookup table
• Use star schema
• Eliminate two-way relationships
• Apply user-friendly value replacements
• Define the right level of granularity

4. Visualizing and Analyzing Data

• Visualizing time series data
• Use groups to break up the analysis
• Use slicers to improve usability
• Use a custom tooltip to add detail
• Be careful with pie charts
• When to use top-N analysis
• The full potential of visualizations
• Use color sparingly

Conclusion

• Additional resources