多重目标逃脱鸟类搜索优化及其在基于变压器模型的股票市场预测中的应用
Dedai Wei1, Zimo Wang2, Minyu Qiu3
1College of Economics, Shenyang University, Shenyang, 110000, China.
Scientific reports
|February 17, 2025
概括
一个新的多目标逃生鸟算法 (MOEBS) 优化了变压器模型的股票市场预测,大大提高了比传统方法的准确性和稳定性. 这种方法克服了超级参数调整的局部最佳挑战,以提高财务预测.
科学领域:
- 计算金融与经济学
- 人工智能和机器学习
- 优化算法 优化算法
背景情况:
- 股票市场预测对于金融回报至关重要,像变压器这样的深度学习模型显示出有希望.
- 对于这些模型,现有的超参数优化方法往往存在局限性,特别是在单一目标的方法中,它们会陷入局部最佳状态.
- 有效的超参数优化是释放金融市场先进预测模型的全部潜力的关键.
研究的目的:
- 在股票市场预测模型中引入多目标逃生鸟算法 (MOEBS) 进行增强的超参数优化.
- 提出MOEBS-Transformer架构,以提高财务时间序列预测的效率和有效性.
- 在复杂的金融建模场景中解决单一目标优化的局限性.
主要方法:
- 在基准数据集 (ZDT,DTLZ,WFG) 上验证的MOEBS与MOMVO,MSSA和MOEAD等算法相比,使用GD,间距,IGD和HV的指标.
- 应用MOEBS来优化亚马逊,谷歌和Uniqlo股票收盘价格的变压器模型超参数,考虑多目标标准 (培训/测试RMSE,错误差异).
- 将MOEBS-Transformer与CNN,LSTM,BiLSTM,GRU,传统的变压器和通过MOMVO,MSSA,MOEAD,随机搜索,网格搜索和贝叶斯优化优化的变压器模型进行比较.
主要成果:
- 与CNN,LSTM,BiLSTM和GRU相比,变压器模型被认为是股票市场预测的优势.
- 与其他优化技术相比,MOEBS优化的变压器模型显示出更高的预测准确性和稳定性 (R2,RMSE,RPD指标).
- MOEBS-变压器的性能明显超过了MOMVO-变压器,MSSA-变压器,MOEAD-变压器,RS-变压器,GS-变压器和BO-变压器.
结论:
- 拟议的多目标逃生鸟算法 (MOEBS) 有效地优化了变压器模型的股票市场预测,克服了局部最佳问题.
- MOEBS-Transformer为财务预测提供了强大而准确的解决方案,性能优于现有的先进方法.
- 这项研究为复杂的优化问题提供了一种新的方法,并推进了股票市场预测技术.
相关概念视频
Multiple Regression
2.9K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
2.9K
Improving Translational Accuracy
8.5K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
8.5K
Regression Analysis
5.5K
Regression analysis is a statistical tool that describes a mathematical relationship between a dependent variable and one or more independent variables.
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
5.5K
Aggregates Classification
298
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
298
Multi-input and Multi-variable systems
93
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
93
Prediction Intervals
2.2K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
2.2K


