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What I Learned from the Microsoft Power BI Course
This course provided a comprehensive introduction to Microsoft Power BI โ a powerful tool for data visualization, reporting, and business intelligence. I learned how to import, clean, transform, and visualize data using a variety of built-in tools and techniques. Here’s a breakdown of the key concepts and skills I gained:
๐งญ Power BI Basics & Interface
Understood what Power BI is, how to download and install it.
Explored the Power BI interface, on-object interaction, and key settings.
Learned how to import data from various sources.
๐งน Data Preparation & Cleaning
Worked with the Query Editor to clean and transform data.
Performed tasks like:
Editing rows and columns
Changing data types
Using locale settings and replacing values
Extracting, splitting, and merging columns
Applied text and numeric transformations
๐ Data Modeling
Built relationships between tables using the Data Model.
Practiced one-to-many and many-to-many relationships.
Learned to edit, activate, and deactivate relationships, and understood cross-filter direction.
๐ Data Visualization
Created various visuals including:
Stacked Column Charts
Pie Charts, Line Charts, Treemaps, Tables, Cards, and Maps
Customized visuals using the Format Pane, Data Labels, and Visual Headers.
Used Conditional Formatting and Sorting to enhance data display.
๐ Advanced Query Techniques
Applied advanced tools like:
Append Queries
Merge Queries
Pivot and Unpivot columns
Column from Examples
Reference Queries & Duplicate Detection
๐ฏ Slicers, Filters & Interactions
Added Slicers to dashboards and learned how to:
Sync Slicers across pages
Clear, apply, and reset slicers
Use Top N filters with bookmarks
Edit page navigation, interactions, and use bookmarks for dynamic reporting.
๐ง Custom Columns, Measures & Calculations
Created Calculated Columns and Conditional Columns.
Built Measures to calculate metrics like Average, Count, and more.
Organized calculations into Measure Tables for better structure and clarity.
๐ Outcome
This Power BI course significantly enhanced my data analysis and reporting skills. I am now able to build fully interactive dashboards, clean and model data efficiently, and present insights using powerful visualizations. These skills equip me to make data-driven decisions and build reports for real-world business scenarios.