Decision Trees Tutorial

Master decision tree algorithms from basics to advanced techniques. 5 comprehensive chapters covering introduction, mathematics, Python implementation, overfitting prevention, and ensemble methods.

Chapter 1: Introduction to Decision Trees

Learn the basics of decision trees and how they make decisions

  • What are decision trees and how they work
  • Tree structure: nodes, branches, leaves
  • Real-world examples and applications
  • Advantages and limitations
Foundation Python Interactive

Chapter 2: Decision Tree Mathematics

Understand entropy, information gain, and splitting criteria

  • Entropy and uncertainty measurement
  • Information gain calculations
  • Gini impurity as alternative
  • Interactive calculators and examples
Mathematics Entropy Python

Chapter 3: Python Implementation

Build decision trees from scratch with interactive demos

  • Python implementation from scratch
  • Interactive decision tree building
  • Real-world dataset examples
  • Performance optimization
Python Implementation Interactive

Chapter 4: Overfitting and Pruning

Learn to prevent overfitting with pruning techniques

  • Understanding overfitting in trees
  • Pre-pruning and post-pruning
  • Cross-validation techniques
  • Hyperparameter tuning
Overfitting Pruning Validation

Chapter 5: Advanced Techniques

Explore ensemble methods and real-world applications

  • Random Forest and ensemble methods
  • Feature importance analysis
  • Real-world case studies
  • Best practices and tips
Ensemble Random Forest Applications