Project Tutorial: Cleaning and Analyzing Used Car Listings from eBay Kleinanzeigen (opens in new tab)

Real-world data is messy. Anyone who has worked with scraped web data has seen this pattern: prices saved as text, impossible year values, columns with no variation, and numeric fields that repeat in suspiciously limited ways. Cleaning that data is where most of the real analytical work actually happens. In this project, we'll work through […]