搜索结果: 1-2 共查到“世界经济学 ranking”相关记录2条 . 查询时间(0.062 秒)
Anomalous Returns in a Neural Network Equity-Ranking Predictor
Anomalous Returns Neural Network Equity-Ranking Predictor
2010/12/20
Using an artificial neural network (ANN), a fixed universe of approximately 1500 equities from the Value Line index are rank-ordered by their predicted price changes over the next quarter. Inputs to ...
Mathematical analysis of long tail economy using stochastic ranking processes
Mathematical analysis long tail economy stochastic ranking processes
2010/12/17
We present a new method of estimating the distribution of sales rates of, e.g., book titles at an online bookstore, from the time evolution of ranking data found at websites of the store. The method i...