Real-World Data Cleaning Pipeline
~8h estimatedTurn a genuinely messy public dataset into something analysable, reproducibly.
Pick a dataset with real problems — missing values, inconsistent categories, duplicates, mixed date formats. Write the cleaning as a reproducible script, not as manual edits.
Assessed against
- Every cleaning decision documented with its justification
- Rerunnable from raw data with one command
- Before/after data quality summary
- Rows dropped are counted and explained
Suggested datasets
- data.gov.in
- Kaggle raw datasets
- municipal open-data portals
You'll finish with
- GitHub repo with the pipeline
- Data quality report