Data Cleaning Exercises

Dataset pack

Country order files

Order files from three countries, each in its own currency without a currency column.

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 The file tells you the currency.

uk 6 rows × 2 columns

Download uk.csv (Pro)

Data dictionary

id
Unique order ID.
amount
Amount in GBP as text.

us 6 rows × 2 columns

Download us.csv (Pro)

Data dictionary

id
Unique order ID.
amount
Amount in USD as text.

eu 4 rows × 2 columns

Download eu.csv (Pro)

Data dictionary

id
Unique order ID.
amount
Amount in EUR as text.

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.