To work on the recipes in this chapter, you need the following files (available on GitHub):
- simple_classifier.py
 - logistic_regression.py
 - naive_bayes.py
 - data_multivar.txt
 - splitting_dataset.py
 - confusion_matrix.py
 - performance_report.py
 - car.py
 - car.data.txt
 - income.py
 - adult.data.txt
 - wine.quality.py
 - wine.txt
 - post.classification