- supervised-regression/slides-regression-knn and supervised-classification/slides-classification-knn are deleted and merged into knn/slides-knn
- tuning splitted into tuning and nested resampling
- Reworked Chapter 1:
- Concepts are now in clear, single chunks
- New chunk on optimization
- Switch from mlr to mlr3
- Rnw-files split into pure tex-files and figure producing R-files