Data analysis, visualisation and machine learning case studies

Credit Card Fraud Detection

---

This study is based on the dataset Credit Card Fraud Detection Anonymized credit card transactions labeled as fraudulent or genuine provided by kaggle link . I first did an exploratory data analysis, and used a logistic regression algorithm to build a model to detect fraud transaction. The dataset is highly imbalanced, I used precision and recall to measure the accuracy of the model, and tried different sampling method to improve the performance.