Data Cleaning Exercises

Dataset pack

Residents by district

A synthetic resident list to be published as counts per district with small-cell suppression.

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 Suppress small counts before publishing.

residents 29 rows × 2 columns

Download residents.csv (Pro)

Data dictionary

id
Unique resident ID.
district
District 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.