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| 1 | 基于循环神经网络和深度学习的股票预测方法显示文摘本文提出一种基于多路循环神经网络与深度学习的股票预测方法。针对股票的涨跌预测问题,使用分布式向量表示方法提取出股票相关的新闻文本特征,同时考虑到股票相关信息的时序性以及新闻影响的持续性特质,使用多路循环神经网络模型对所提取的特征与交易信息进行协同训练,从而获得历史信息的低维向量表示。最后将多个循环神经网络的输出进行拼接,利用深度神经网络共同对股票的涨跌进行分类预测。本文使用上证A股的价格与新闻数据进行实验,实验结果表明,本文所提出的方法在股票预测任务上具有明显的优越性。 | 黄丽明 陈维政 闫宏飞 陈翀 | 2019 | 广西师范大学学报(自然科学版)2019，37，1： | 13 |
| 2 | Profit Guided or Statistical Error Guided? A Study of Stock Index Forecasting Using Support Vector Regression显示文摘Stock index forecasting has been one of the most widely investigated topics in the field of financial forecasting. Related studies typically advocate for tuning the parameters of forecasting models by minimizing learning errors measured using statistical metrics such as the mean squared error or mean absolute percentage error. The authors argue that statistical metrics used to guide parameter tuning of forecasting models may not be meaningful, given the fact that the ultimate goal of forecasting is to facilitate investment decisions with expected profits in the future. The authors therefore introduce the Sharpe ratio into the process of model building and take it as the profit metric to guide parameter tuning rather than using the commonly adopted statistical metrics. The authors consider three widely used trading strategies, which include a na¨?ve strategy, a filter strategy and a dual moving average strategy, as investment scenarios. To verify the effectiveness of the proposed profit guided approach, the authors carry out simulation experiments using three global mainstream stock market indices. The results show that profit guided forecasting models are competitive, and in many cases produce significantly better performances than statistical error guided models. This implies thatprofit guided stock index forecasting is a worthwhile alternative over traditional stock index forecasting practices. | HU Zhongyi BAO Yukun CHIONG Raymond XIONG Tao | 2017 | Journal of Systems Science & Complexity2017，30，6： | 1 |
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