Lesson ProgressPhase 6 of 6
Phase 6Closing
Closing: Data Cleaning and Analysis
Synthesize cleaning work, preview statistical analysis
Phase 6: Reflection and Handoff
Data Cleaning Complete: Ready for Analysis
Your cleaned dataset is the foundation for reliable analysis. Now you can build forecasts with confidence.
What You Accomplished
Removed duplicate transactions (documented row count change)
Cleaned text inconsistencies (TRIM, PROPER)
Converted prices from text to numbers
Handled missing values with documented decisions
Created audit trail for investor credibility
Result: A clean, analysis-ready dataset that investors can trust.
CAP Reflection: Data Cleaning Decisions
Reflect on your learning journey and growth in the CAP framework
0/3 Complete
🦁COURAGE
What data cleaning decision required you to make a judgment call (e.g., how to handle blanks, what counts as duplicate)?
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🌊ADAPTABILITY
What unexpected data issue did you encounter, and how did you adapt your cleaning approach?
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⚡PERSISTENCE
Which cleaning step took the most time? What kept you going to finish thoroughly?
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Progress: 0/3 reflections completed
What's Next (Lesson 06 Preview)
Lesson 06: Visualizations and Recommendations
- Create charts that tell the weekend sales story visually
- Calculate and visualize descriptive statistics (mean, median, spread)
- Build a recommendation based on what the data shows
- Practice explaining your findings to a non-technical audience
Your clean data from today makes all of this possible. No more fighting with messy inputs!