1
Introduction
2
Preface
2.0.1
The original story
3
The Data
3.1
Turning our question into measurables
3.2
Data: Car issue issues
3.3
Data: Suspicious airbag issues
3.3.1
Extracting a sample of complaints
3.3.2
Labeling our sample of complaints
4
Preparing our data
4.1
Designing our features
4.1.1
Selecting our features
4.2
Classification
4.2.1
Training data
5
Analyzing our data
5.1
Building a classifier
5.2
Interpreting our classifier
5.3
Using our classifier
5.4
Testing our classifier
5.4.1
Test-train split
5.4.2
The confusion matrix
5.5
Conclusion
3
The Data