Data Cleaning With Pandas: A Step by Step Walkthrough on a Messy File
Every pandas tutorial starts with a clean dataset. Real work never does. Real work starts with a file called sales_final_v3_USE_THIS.xlsx where the header is on row four, prices are stored as text with currency symbols, half the dates are in the wrong format, and the region column contains “North”, “north”, “N” and an empty cell. … Read more