摘要： 1. Content based Problem formulation Content Based Recommendations:2. collaborative filtering algorithm 阅读全文

摘要： 1. Algorithm2. evaluating an anomaly detection system3. anomaly detection vs supervised learning4. choose what features to use. - choose the features xi which hist(xi) is like gaussian shape, or transfer xi such as log(xi+c) to make hist(xi) to be like gaussian shape. - if anomaly case's feature 阅读全文