Fraud Detection, Machine Learning, User Behavior, Predictive Analytics, Feature Engineering.
done in Milan by the user XYZ that lives in London. The device is an iPhone, but usually, the user uses an Android. The operation is done at 3:00 a.m. and in the last 6 months, he never spent money from 2:00 a.m. to 6:00 a.m. The transaction has a total spend value of 10,000$ while the mean amount