季节调整FWA-SVR模型及其在旅游经济预测中的应用

来源 :系统科学与数学 | 被引量 : 0次 | 上传用户:blueteen
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
引入一种全新的智能优化算法——烟花算法——对支持向量回归模型中的参数选择过程进行优化,并考虑旅游经济行为中的季节性因素,构建了季节调整的烟花算法支持向量回归模型(FWA-SVR).随后,文章将该模型应用于海南国际旅游岛的旅游过夜接待人数和旅游收入的预测中.预测结果表明,与不进行季节调整的ARMA模型相比,季节调整后的FWA-SVR模型具有更好的预测精度.而与经典的遗传算法、粒子群算法相比,FWA-SVR模型在所有模型中的预测表现也是最优的.
其他文献
Emerging evidence suggests that children conceived through assisted reproductive technology(ART)have a higher risk of congenital heart defects(CHDs)even when there is no family history.De novo mutation(DNM)is a well-known cause of sporadic congenital dise
期刊
This paper examines in detail the impact of the crowdsourcee\'s vertical fairness concern on the knowledge sharing incentive mechanism in crowdsourcing communities.The conditions for the establishment of the incentive mechanism are analyzed and the impa
The complexity of business and information systems(IS)alignment is a growing concern for researchers and practitioners alike.The extant research on alignment architecture fails to consider the human viewpoint,which makes it difficult to embrace emergent c
In this paper, a linear/nonlinear switching active dis-turbance rejection control (SADRC) based decoupling control approach is proposed to deal with some difficult control prob-lems in a class of multi-input multi-output (MIMO) systems such as multi-varia
期刊
Fiber optical gyroscope(FOG)is a highly reliable navigation element,and the degradation trajectories of its two accuracy indexes are monotonic and non-monotonic respectively.In this paper,a flexible accelerated degradation testing(ADT)model is used for an
该工作主要讨论在一二维矩形区域内的热-板耦合系统解的长时间行为.该模型由两部分组成:其中一部分为热方程描述,另一部分为欧拉-伯努利板方程描述.两者在公共边界处通过一定的传输条件耦合连接在一起.基于频域分析方法,结合正交分解以及频域乘子构造等技巧,得到了在光滑初始条件下该系统能量的多项式衰减速率估计.
针对多旋翼无人机的在线航迹规划问题,提出了一种基于无障碍凸区域的方法(IRIS-Astar).该方法引入了基于概率路标图(probabilistic roadmap,PRM)的A*算法,用于离线规划全局路径.在无人机在线航迹规划阶段,通过IRIS算法(interative regional inflation by semidefinite programming)计算出当前航迹点的极大凸区域,找出该区域中距离当前航迹点最远的全局路径点作为局部目标点.无人机在向局部目标点行进的过程中,实时计算当前位置的极
In recent years,with the continuous development of multi-agent technology represented by unmanned aerial vehicle(UAV)swarm,consensus control has become a hot spot in academic research.In this paper,we put forward a discrete-time consensus protocol and obt
基于门槛效应视角,结合MAT-HAR模型能够捕捉门槛效应的特点与Realized GARCH模型在高频波动率预测的优势,文章建立了Realized MAT-HAR GARCH模型,旨在研究高频金融市场的门槛效应.与Realized HAR GARCH模型不同的是,该模型在波动方程中引入MAT-HAR结构,将已实现波动率序列的移动平均项作为门槛,并基于AIC信息准则选取最优的波动方程结构.数值模拟结果显示,Realized MAT-HAR GARCH模型有着较好的参数估计和波动预测效果.基于沪深300指数的