# Frequently Asked Questions

## Scaling

- **How do I scale and descale my inputs?**
  - The library is only for model create, data engineering and modeling is typically handled elsewhere
  - Check out the regression examples (hint: use [ModelScript](https://repetere.github.io/modelscript/)).
- **How do I cross validate, test/train split, K-fold, etc?**
  - (See above) The library is only for model create, data engineering and modeling is typically handled elsewhere
  - Check out the code examples (hint: use [ModelScript](https://repetere.github.io/modelscript/)).