Cleaning Text Data for NLP: A Practical Guide to Messy Real-World Text
Real text data breaks in ways numeric data doesn't. This guide walks through cleaning a genuinely messy app-review dataset in pandas — missing and blank text fields, encoding artifacts, stray HTML, inconsistent casing and whitespace, and near-duplicate reviews — until it's ready to hand to a tokenizer.
July 11, 2026 in Python, Machine Learning by Mehdi Lotfinejad18 minutes