Data Cleaning Exercises

Dataset pack

Agreement survey

A three-question agreement survey stored one column per question.

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 Answer counts per question.

survey 15 rows × 4 columns

Download survey.csv (Pro)

Data dictionary

respondent
Respondent ID (unique).
q1
Answer to question 1.
q2
Answer to question 2.
q3
Answer to question 3.

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.