Customer Analytics is a scalable, chunked data processing pipeline written in Python. It efficiently ingests, validates, transforms, and analyzes large customer purchase datasets — with support for schema enforcement, aggregation, and logging.
- ✅ Chunked processing of large CSVs
- ✅ Data validation with
pandera - ✅ Automatic logging of data size and memory usage
- ✅ Cleaning and normalization of customer data
- ✅ Aggregations: revenue, basket size, and customer counts
- ✅ ISO 3166-1 alpha-2 country code validation with
pycountry - ✅ Testable with
pytest