Anomaly_detection

Using Machine Learning method. Linear regression method is used here . The credit card data has features which are transformed using PCA. The data has 2 output class. Class 0 indicates normal transaction and class 1 inidactes fraud transaction. The data is imbalnced one and so before applying regression techniques, the class 0 samples have been downsampled by the number of samples in class 1 to produce a new data with equal number of Class 0 and Class1 samples.