> For the complete documentation index, see [llms.txt](https://book.ncrnalab.org/teaching/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.ncrnalab.org/teaching/part-iv.-machine-learning.md).

# Part IV. MACHINE LEARNING

- [1.Machine Learning Basics](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/1.machine-learning-basics.md)
- [1.1 Data Pre-processing](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/1.machine-learning-basics/1.1.data-preprocessing.md)
- [1.2 Data Visualization & Dimension Reduction](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/1.machine-learning-basics/1.2.data-dimension-reduction.md)
- [1.3 Feature Extraction and Selection](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/1.machine-learning-basics/1.3.feature-engineering.md)
- [1.4 Machine Learning Classifiers/Models](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/1.machine-learning-basics/1.4.machine-learning-model.md)
- [1.5 Performance Evaluation](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/1.machine-learning-basics/1.5.model-evaluation.md)
- [2.Machine Learning with R](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/2.machine-learning-with-r.md)
- [3.Machine Learning with Python](https://book.ncrnalab.org/teaching/part-iv.-machine-learning/3.machine-learning-with-python.md)