Multivariate Anomaly Detection on Time-Series Data in Python: Using Isolation Forests to Detect Credit Card Fraud

Credit card fraud has become one of the most common use cases for anomaly detection systems. The number of fraud attempts has risen sharply in recent years, resulting in billions of dollars in losses. Early detection of fraud attempts with … Continued

Getting Started with Image Recognition: Classifying Cats and Dogs using Neural Networks with Python

This article shows how to use Convolutional Neural Networks (CNNs) in Python for image classification. CNNs belong to the field of deep learning, a subarea of machine learning, and have become a cornerstone to many exciting innovations of our time. … Continued

Anyone About to Leave? Customer Churn Prediction at a Telecommunications Provider in Python

This article shows how to implement a customer churn prediction model using Python machine learning. Furthermore, we will use permutation feature importance to gain insight into the relationship between input variables and model predictions. Telecommunications service providers face considerable pressure … Continued

Hyperparameter Tuning a Random Forest Classifier using Grid Search in Python

This article shows how to employ the grid search technique in Python to optimize the hyperparameters of a machine learning model. Hyperparameters control how a machine learning algorithm learns and how it behaves. Unlike the internal parameters (coefficients, etc.) that … Continued

Will they Buy or just Browse? Predicting Purchase Intentions of Online Shoppers with Python

Most online stores welcome countless visitors every day, but only a fraction of those visitors will make a purchase. Machine learning can predict whether online shoppers will buy something or browse around. In this article, we will develop a classification … Continued

Predicting Flight Delays using Azure Machine Learning

If you travel a lot, you’ve probably already experienced this – you’re in a real hurry on your way to the airport trying to catch a flight, only to find out at the airport that your flight is delayed. Wasn’t … Continued