# FAQs

The following list provides information on commonly asked questions relating to the Decision Tree tool.

- [When would I use a decision tree instead of a PWE model?](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/decision-tree-vs-pwe/index.md>)
- [How should I build a decision tree?](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/how-to-build/index.md>)
- [How many nodes should I create?](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/how-many-nodes/index.md>)
- [Why has my tree stopped growing?](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/tree-stopped-growing/index.md>)
- [Validate your model](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/validate-model/index.md>)
- [How do decision tree statistics compare to profiles?](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/statistics-vs-profiles/index.md>)
- [Gains table](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/gains-table/index.md>)
- [Copy to other applications](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/copy-to-other-applications/index.md>)
- [Tree terminology](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/tree-terminology/index.md>)
- [Statistical terminology](<https://help.apteco.com/en/faststats/modelling/decision-tree/faqs/statistical-terminology/index.md>)