Course
Ensemble Methods in Python
AdvancedSkill Level
Updated 10/2025
PythonMachine Learning4 hr15 videos52 Exercises4,050 XP12,708Statement of Accomplishment
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Prerequisites
Linear Classifiers in PythonMachine Learning with Tree-Based Models in Python1
Combining Multiple Models
Do you struggle to determine which of the models you built is the best for your problem? You should give up on that, and use them all instead! In this chapter, you'll learn how to combine multiple models into one using "Voting" and "Averaging". You'll use these to predict the ratings of apps on the Google Play Store, whether or not a Pokémon is legendary, and which characters are going to die in Game of Thrones!
2
Bagging
Bagging is the ensemble method behind powerful machine learning algorithms such as random forests. In this chapter you'll learn the theory behind this technique and build your own bagging models using scikit-learn.
3
Boosting
Boosting is class of ensemble learning algorithms that includes award-winning models such as AdaBoost. In this chapter, you'll learn about this award-winning model, and use it to predict the revenue of award-winning movies! You'll also learn about gradient boosting algorithms such as CatBoost and XGBoost.
4
Stacking
Get ready to see how things stack up! In this final chapter you'll learn about the stacking ensemble method. You'll learn how to implement it using scikit-learn as well as with the mlxtend library! You'll apply stacking to predict the edibility of North American mushrooms, and revisit the ratings of Google apps with this more advanced approach.
Ensemble Methods in Python
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FAQs
What machine learning experience do I need before learning ensemble methods?
You should have completed courses on scikit-learn, tree-based models, and linear classifiers. Familiarity with pandas and basic statistics in Python is also expected.
Which ensemble techniques does this course cover?
You will learn bagging, boosting, and stacking, as well as voting and averaging methods for combining multiple models into stronger predictors.
What Python libraries are used for ensemble learning in this course?
You will use scikit-learn, XGBoost, CatBoost, and mlxtend to implement various ensemble methods on real-world datasets throughout the four chapters.
Why are ensemble methods important for a machine learning practitioner?
Ensemble techniques regularly win machine learning competitions and are used across industries to boost model performance by combining the strengths of multiple algorithms.
Does the course cover how to tune ensemble model hyperparameters?
Yes. You will learn how to configure and optimize ensemble models, including selecting base learners and tuning parameters for methods like boosting and stacking.
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