🚩7 Red Flags You Should Check in Every Dataset

Before EDA, look for these.

🔻Duplicate rows
🔻Missing values that aren't random
🔻Impossible numbers (negative ages, future dates)
🔻Columns with only one value
🔻Categories with inconsistent spelling
🔻Target leakage
🔻Suspiciously perfect distributions

Catching these early saves hours of debugging later.