# Missing data

- [Missing values](/beginners-guide-to-clean-data/missing-data-1/missing-values.md)
- [Missing value patterns](/beginners-guide-to-clean-data/missing-data-1/missing-value-patterns.md)
- [Missing value representations](/beginners-guide-to-clean-data/missing-data-1/missing-value-representations.md)
- [Missing observations](/beginners-guide-to-clean-data/missing-data-1/missing-observations.md)
- [Truncated exports](/beginners-guide-to-clean-data/missing-data-1/truncated-exports.md)
- [Handling missing values](/beginners-guide-to-clean-data/missing-data-1/handling-missing-values.md)