AdaBoost Algorithm for Python Training in Kraków, Poland

This training provides a deep dive into the AdaBoost (Adaptive Boosting) algorithm using Python. Participants will learn the principles of boosting, how AdaBoost improves model performance, and how to apply it to classification and regression tasks using scikit-learn. The course includes conceptual understanding, practical implementation, and real-world use cases.

Boosting Concepts and AdaBoost Fundamentals

Introduction to Boosting

• Overview of ensemble learning methods
• Bagging vs boosting: key differences
• Why boosting improves weak learners
• Real-world applications and benefits

Understanding AdaBoost Algorithm

• AdaBoost intuition and training process
• Weighting of misclassified instances
• Exponential loss and model updates
• Bias-variance trade-off in boosting

Implementing AdaBoost with scikit-learn

• Using AdaBoostClassifier and DecisionTreeClassifier
• Setting base estimators and number of rounds
• Fitting and predicting with AdaBoost models
• Visualizing model performance and decision boundaries

Regression, Tuning, and Use Cases

AdaBoost for Regression Tasks

• Using AdaBoostRegressor with decision trees
• Differences between classification and regression boosting
• Evaluation metrics: MAE, RMSE, R²
• Visualizing predictions vs actual values

Hyperparameter Tuning

• Key hyperparameters: n_estimators, learning_rate, max_depth
• Tuning strategies using GridSearchCV and RandomizedSearchCV
• Cross-validation and training stability
• Avoiding overfitting in boosted models

Feature Importance and Interpretability

• Understanding feature contributions in AdaBoost
• Comparing with Random Forest feature importances
• Limitations and interpretability techniques

Final Exercises and Evaluation

• Final Q&A, recap, and deployment guidance