Data Cleaning Exercises

Dataset pack

Monthly store revenue reports

Q1 revenue reports per store, where some stores haven't sent March yet.

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 Who hasn't reported March.

reports 19 rows × 4 columns

Download reports.csv (Pro)

Data dictionary

row_id
Unique report row ID.
store
Store code as typed.
month
Three-letter month as typed.
revenue
Reported revenue 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.