VISA_MasterCard

The Mastercard and Visa dataset provides structured transaction records supporting research in fraud detection, risk modeling, and financial analytics. It enables machine learning applications including classification, clustering, and forecasting. This resource is valuable for developing secure financial systems, advancing academic research, and promoting reproducibility in financial data science.万事达卡（Mastercard）与维萨（Visa）数据集提供结构化交易记录，可为欺诈检测、风险建模及金融数据分析等方向的研究提供支撑。该数据集可支持分类、聚类与预测等各类机器学习应用任务。此资源对于构建安全金融系统、推进学术研究，以及促进金融数据科学领域的研究可复现性均具有重要价值。