Data Cleaning Exercises

Dataset pack

Shelf prices

Shelf prices typed by store staff, some apparently entered in cents.

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 Prices that might be in cents.

prices 16 rows × 3 columns

Download prices.csv (Pro)

Data dictionary

id
Unique row ID.
product
Product name.
price
Price as typed.

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.