> For the complete documentation index, see [llms.txt](https://b-greve.gitbook.io/beginners-guide-to-clean-data/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://b-greve.gitbook.io/beginners-guide-to-clean-data/text-mining-problems.md).

# Text mining problems

- [Text mining basics](https://b-greve.gitbook.io/beginners-guide-to-clean-data/text-mining-problems/untitled.md)
- [Encoding in your data and IDE](https://b-greve.gitbook.io/beginners-guide-to-clean-data/text-mining-problems/encoding-in-your-data-and-ide.md)
- [Special characters](https://b-greve.gitbook.io/beginners-guide-to-clean-data/text-mining-problems/special-characters.md)
- [Character entities](https://b-greve.gitbook.io/beginners-guide-to-clean-data/text-mining-problems/character-entities.md)
- [Lookalike characters](https://b-greve.gitbook.io/beginners-guide-to-clean-data/text-mining-problems/lookalike-characters.md)
- [Dummy words](https://b-greve.gitbook.io/beginners-guide-to-clean-data/text-mining-problems/dummy-words.md)