Data Cleaning Exercises

Dataset pack

Payments with currency symbols

Payments where currencies were captured as symbols or codes, including the ambiguous $.

Fictional data · UTF-8 CSV, every value quoted so padding and leading zeros survive; empty fields are missing values · free for personal and classroom practice · practise it in Ambiguous symbols need review.

payments 21 rows × 3 columns

Download payments.csv (Pro)

Data dictionary

id
Unique payment ID.
amount
Amount as text.
currency
Currency symbol or code as captured.

Values are shown in quotes so leading and trailing spaces are visible. ∅ means the cell is missing. Exercises are also graded on hidden datasets that are never published.