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分类依据与纠错

AI 根据所提供的论文材料归类:摘要明确使用 ARIMA 等时间序列方法预测黄金价格,未直接研究收益预测或资产定价机制。

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使用混合模型预测金融市场黄金价格

研究问题
能否将时间序列预测、技术分析指标筛选和神经网络结合,提高国际金融市场黄金价格预测的准确性,并与单一模型比较?
方法与思路
作者先使用 ARIMA 和技术分析相关变量,再通过逐步回归筛选输入,最后送入人工神经网络,形成串联式黄金价格预测流程。
材料陈述的贡献
摘要称混合模型在所做比较中比时间序列、回归和逐步回归更准确,并提出可能推广至其他金融资产;未报告具体误差或验证结果。
阅读关注点
应核对样本期间、预测期限和误差指标,尤其检查变量筛选及模型训练是否仅使用当时可得信息,以及比较是否基于独立样本外数据。
阅读边界
这是 arXiv 预印本,同行评审及期刊接收未核实。摘要未说明数据划分、交易成本或统计显著性,预测准确性陈述不足以支持普遍优势。

原文摘要

Predicting the price that has the least error and can provide the best and highest accuracy has been one of the most challenging issues and one of the most critical concerns among capital market activists and researchers. Therefore, a model that can solve problems and provide results with high accuracy is one of the topics of interest among researchers. In this project, using time series prediction models such as ARIMA to estimate the price, variables, and indicators related to technical analysis show the behavior of traders involved in involving psychological factors for the model. By linking all of these variables to stepwise regression, we identify the best variables influencing the prediction of the variable. Finally, we enter the selected variables as inputs to the artificial neural network. In other words, we want to call this whole prediction process the "ARIMA_Stepwise Regression_Neural Network" model and try to predict the price of gold in international financial markets. This approach is expected to be able to be used to predict the types of stocks, commodities, currency pairs, financial market indicators, and other items used in local and international financial markets. Moreover, a comparison between the results of this method and time series methods is also expressed. Finally, based on the results, it can be seen that the resulting hybrid model has the highest accuracy compared to the time series method, regression, and stepwise regression.

笔记与分组
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