Power BI Guide 📊⚡

1. What is Power BI?

Power BI is a business analytics tool used to visualize data and create interactive dashboards.

2. Components

- Power BI Desktop
- Power BI Service
- Power BI Mobile

3. Import Data

Get Data → Excel / SQL / CSV

4. Data Cleaning (Power Query)

- Remove nulls
- Change data types
- Filter rows

5. Visualizations

- Bar chart
- Line chart
- Pie chart
- Map

6. DAX (Formulas)

Total Sales = SUM(Sales[Amount])

7. Dashboard

Combine visuals into one report

8. Publish

Publish → Power BI Service (cloud)

9. Real Use Cases

• Business dashboards 📊
• Sales analysis 💰
• Financial reports 📈
• Data visualization ⚡