Supervised Learning - Ensemble Models

Last updated 7/2023
Created by Elearning Moocs
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Genre: eLearning | Language: English | Duration: 66 Lectures ( 13h 24m ) | Size: 7.41 GB

Ensemble Techniques in Data Science

What you'll learn
The theoretical foundations of ensemble learning, including the concepts of bias, variance, and ensemble diversity.
Different types of ensemble methods, such as bagging, boosting, and stacking, and how they can be applied to improve model performance.
Techniques for combining individual models, including averaging, weighted averaging, and meta-learning.
Practical implementation of ensemble methods using popular machine learning libraries and frameworks, along with hands-on experience in building ensemble models

Requirements
A basic understanding of individual machine learning algorithms, such as decision trees, random forests, and gradient boosting.
Familiarity with the concept of model bias and variance trade-off.
Knowledge of evaluation metrics used to assess model performance, such as accuracy, precision, recall, and F1 score.
Awareness of ensemble methods, including bagging, boosting, and stacking, and their respective advantages and limitations.

Description
Ensemble techniques play a pivotal role in improving the accuracy and robustness of predictive models in data science. This intermediate-to-advanced level course is designed to provide a comprehensive understanding of ensemble methods and equip participants with the knowledge and skills needed to effectively apply ensemble techniques in real-world scenarios. Through a combination of theoretical concepts, practical implementation, and hands-on projects, participants will explore various ensemble methods and gain insights into their applications, strengths, and limitations.Course Objectives:1. Understand the Fundamentals of Ensemble Techniques:- Gain an in-depth understanding of ensemble methods and their importance in data science.- Learn about the intuition behind ensemble techniques and their advantages over individual models.2. Study Bagging and Random Forest:- Examine bagging as an ensemble technique, including its underlying principles and algorithmic implementation.- Dive into Random Forest, a popular bagging-based ensemble method, and learn how it improves model performance.3. Explore Boosting Algorithms:- Learn about boosting algorithms, such as AdaBoost, Gradient Boosting, and XGBoost, and their iterative nature.- Understand the boosting process, including weak learner selection, weight adjustments, and error correction.4. Master Stacking Techniques:- Study the concept of stacking, also known as stacked generalization, and its role in combining multiple models.- Explore various stacking architectures, including blending and meta-model approaches.5. Model Aggregation and Voting:- Discover different methods of aggregating ensemble predictions, such as majority voting and weighted voting.- Explore advanced ensemble techniques like stacking with meta-features and stacking with model pruning.6. Practical Implementation and Case Studies:- Apply ensemble techniques to real-world datasets and problems.- Work on hands-on projects to gain practical experience in implementing ensemble methods using Python/R and relevant libraries.7. Advanced Topics and Recent Developments:- Gain insights into advanced ensemble techniques, including gradient boosting variants like LightGBM and CATBoost.- Explore recent research and developments in ensemble methods, such as deep learning ensembles.8. Ethical Considerations and Best Practices:- Discuss ethical considerations surrounding ensemble techniques, including biases, fairness, and interpretability.- Learn best practices for applying ensemble techniques responsibly and effectively.This course combines lectures, hands-on exercises, and practical projects to provide a comprehensive learning experience. Participants will have access to a dedicated online learning platform where they can access course materials, video lectures, and supplementary resources. Live sessions and discussion forums will foster interaction, collaboration, and the opportunity to seek clarification and guidance from instructors and peers. Participants will have the opportunity to work on real-world case studies and projects, applying ensemble techniques to solve data-driven problems and gain practical insights.Assessment and Certification:Participants will be assessed based on their performance in assignments, quizzes, and project submissions throughout the course. Successful completion of the course, including meeting the assessment criteria, will earn participants a certificate of completion. This certificate can be used to showcase their proficiency in ensemble techniques and their ability to apply them in practical settings.

Who this course is for
This ensemble techniques course is designed for data scientists, machine learning engineers, and researchers who want to enhance their understanding and skills in ensemble learning methods for improving model performance.
This course can benefit professionals working in various domains such as finance, healthcare, e-commerce, and marketing, where accurate predictions and reliable models are crucial.
It is also suitable for individuals with a background in statistics or mathematics who want to delve into the field of machine learning and explore advanced techniques for building robust predictive models.

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