A hybrid procedure for stock price prediction by integrating self-organizing map and genetic programming

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@Article{Hsu:2011:ESA,

• author = "Chih-Ming Hsu",
• title = "A hybrid procedure for stock price prediction by integrating self-organizing map and genetic programming",
• journal = "Expert Systems with Applications",
• year = "2011",
• volume = "38",
• number = "11",
• pages = "14026--14036",
• ISSN = "0957-4174",
• DOI = "doi:10.1016/j.eswa.2011.04.210",
• URL = "http://www.sciencedirect.com/science/article/B6V03-52T13T7-7/2/c2626c201c0da6cbc20628185936eaf3",
• keywords = "genetic algorithms, genetic programming, Stock price prediction, Self-organising map",
• size = "11 pages",
• abstract = "Stock price prediction is a very important financial topic, and is considered a challenging task and worthy of the considerable attention received from both researchers and practitioners. Stock price series have properties of high volatility, complexity, dynamics and turbulence, thus the implicit relationship between the stock price and predictors is quite dynamic. Hence, it is difficult to tackle the stock price prediction problems effectively by using only single soft computing technique. This study hybridises a self-organizing map (SOM) neural network and genetic programming (GP) to develop an integrated procedure, namely, the SOM-GP procedure, in order to resolve problems inherent in stock price predictions. The SOM neural network is used to divide the sample data into several clusters, in such a manner that the objects within each cluster possess similar properties to each other, but differ from the objects in other clusters. The GP technique is applied to construct a mathematical prediction model that describes the functional relationship between technical indicators and the closing price of each cluster formed in the SOM neural network. The feasibility and effectiveness of the proposed hybrid SOM-GP prediction procedure are demonstrated through experiments aimed at predicting the finance and insurance sub-index of TAIEX (Taiwan stock exchange capitalisation weighted stock index). Experimental results show that the proposed SOM-GP prediction procedure can be considered a feasible and effective tool for stock price predictions, as based on the overall prediction performance indices. Furthermore, it is found that the frequent and alternating rise and fall, as well as the range of daily closing prices during the period, significantly increase the difficulties of predicting.",

}

Genetic Programming entries for Chih-Ming Hsu

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