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jason-jz-zhu and others added 2 commits August 9, 2025 16:56
- Enhanced dashboard layout with proper alignment (title left, filter right)
- Improved Y-axis formatting to display values as $300K, $2M instead of full numbers
- Updated KPI cards with uniform heights and two decimal place trend indicators
- Refined review score display with large numbers and proper star ratings
- Added comprehensive dashboard documentation in README
- Removed month filter to simplify interface as specified
- Added grid lines to charts for better readability

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
## Major Improvements:

### EDA_Refactored.ipynb
- Complete restructure with professional table of contents and navigation
- Configurable analysis framework (any year/month combination)
- Integration with existing data_loader.py and business_metrics.py modules
- 9 comprehensive sections from introduction to executive summary
- Clean code eliminating pandas warnings and following best practices
- Business-oriented visualizations with proper formatting and insights
- Strategic recommendations and actionable insights

### dashboard_new.py - Professional Dashboard
- Header with title and year filter (defaults to 2023)
- KPI row with 4 cards showing trend indicators (green/red arrows, 2 decimal places)
- Charts grid (2x2 layout):
  * Revenue trend: solid/dashed lines with grid lines and $300K formatting
  * Product categories: colorful pie chart (changed from blue bar chart)
  * Revenue by state: US choropleth map with blue gradient
  * Satisfaction vs delivery time: bar chart with delivery buckets
- Bottom row: delivery time and review score with stars
- Professional styling, uniform card heights, Plotly charts throughout
- Data caching and real-time filtering

### Supporting Files
- Updated requirements.txt with additional dependencies
- Enhanced README.md with comprehensive documentation for both notebook and dashboard

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
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