Data Dictionary Template
Dataset name:
Version:
Created date:
Course module:
Dataset purpose
What analysis question does this dataset support?
Row meaning
What does one row represent?
Columns
| Column | Plain-English meaning | Type | Example value | Allowed values or range | Missing-value rule | Notes |
|---|---|---|---|---|---|---|
Important derived columns
| Derived column | Rule used to create it | Why it is useful | Checks performed |
|---|---|---|---|
Data quality notes
- Missing values:
- Duplicates:
- Invalid values:
- Suspicious outliers:
- Date or time issues:
- Category or spelling issues:
Use limits
What should the learner not conclude from this dataset?
Final validation
- [ ] Column names match the notebook.
- [ ] Types are checked.
- [ ] Required columns exist.
- [ ] Missing values are documented.
- [ ] Known limitations are documented.