Data Cleaning

Domain: Data & Datasets

🎯 Motivation

Fixing errors in data: removing duplicates, fixing labels, handling missing values, correcting formatting.

📋 Concrete Example

Cleaning: remove 500 duplicate entries, fix 200 mislabeled items, fill 50 missing values, standardize date formats. Clean data = better training.

🔗 Analogy

Washing vegetables before cooking - you remove dirt and bad spots. Data cleaning removes errors and inconsistencies before training.