Machine Learning With Imbalanced Data

Learn to over-sample and under-sample your data, apply SMOTE, ensemble methods, and cost-sensitive learning.

What you'll learn
Apply random under-sampling to remove observations from majority classes
Perform under-sampling by removing observations that are hard to classify
Carry out under-sampling by retaining observations at the boundary of class separation
Apply random over-sampling to augment the minority class
Create syntethic data to increase the examples of the minority class
Implement SMOTE and its variants to synthetically generate data
Use ensemble methods with sampling techniques to improve model performance
Change the miss-classification cost optimized by the models to accomodate minority classes
Determine model performance with the most suitable metrics for imbalanced datasets

Requirements
Knowledge of machine learning basic algorithms, i.e., regression, decision trees and nearest neighbours
Python programming, including familiarity with NumPy, Pandas and Scikit-learn
A Python and Jupyter notebook installation

Description
Welcome to Machine Learning with Imbalanced Datasets. In this course, you will learn multiple techniques which you can use with imbalanced datasets to improve the performance of your machine learning models.If you are working with imbalanced datasets right now and want to improve the performance of your models, or you simply want to learn more about how to tackle data imbalance, this course will show you how.We'll take you step-by-step through engaging video tutorials and teach you everything you need to know about working with imbalanced datasets. Throughout this comprehensive course, we cover almost every available methodology to work with imbalanced datasets, discussing their logic, their implementation in Python, their advantages and shortcomings, and the considerations to have when using the technique. Specifically, you will learn:Under-sampling methods at random or focused on highlighting certain sample populationsOver-sampling methods at random and those which create new examples based of existing observationsEnsemble methods that leverage the power of multiple weak learners in conjunction with sampling techniques to boost model performanceCost sensitive methods which penalize wrong decisions more severely for minority classesThe appropriate metrics to evaluate model performance on imbalanced datasetsBy the end of the course, you will be able to decide which technique is suitable for your dataset, and / or apply and compare the improvement in performance returned by the different methods on multiple datasets.This comprehensive machine learning course includes over 50 lectures spanning more than 10 hours of video, and ALL topics include hands-on Python code examples which you can use for reference and for practice, and re-use in your own projects.In addition, the code is updated regularly to keep up with new trends and new Python library releases.So what are you waiting for? Enroll today, learn how to work with imbalanced datasets and build better machine learning models.

Who this course is for:
Data scientists and machine learning engineers working with imbalanced datasets,Data scientists who want to improve the performance of models trained on imbalanced datasets,Students who want to learn intermediate content on machine learning,Students working with imbalanced multi-class targets