Accurately predicting the trend of stock return rate is a hot research issue. With development artificial intelligence, machine learning, big data and other technologies, it brings new potential to prediction market. In order accurately predict return, this paper mainly constructs time series ARMA model random forest model, uses stacking method fuse models, predicts daily Yangtze River Electric...

In the basement of the house is a fuse box, where the main electricity supply is distributed over ten separately fused groups. Each fuse protects a number of the—more than fifty— power outlets in and around the house. For reasons that need not concern us here, the mapping from outlet to fuse group is rather haphazard. Unfortunately, the previous owner had lost the group chart that lists for eve...