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http://dx.doi.org/10.7837/kosomes.2021.27.1.013

Development of Ship Valuation Model by Neural Network  

Kim, Donggyun (Division of Navigation Science, Mokpo National Maritime University)
Choi, Jung-Suk (Division of Maritime Transportation, Mokpo National Maritime University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.27, no.1, 2021 , pp. 13-21 More about this Journal
Abstract
The purpose of this study is to develop the ship valuation model by utilizing the neural network model. The target of the valuation was secondhand VLCC. The variables were set as major factors inducing changes in the value of ship through prior research, and the corresponding data were collected on a monthly basis from January 2000 to August 2020. To determine the stability of subsequent variables, a multi-collinearity test was carried out and finally the research structure was designed by selecting six independent variables and one dependent variable. Based on this structure, a total of nine simulation models were designed using linear regression, neural network regression, and random forest algorithm. In addition, the accuracy of the evaluation results are improved through comparative verification between each model. As a result of the evaluation, it was found that the most accurate when the neural network regression model, which consist of a hidden layer composed of two layers, was simulated through comparison with actual VLCC values. The possible implications of this study first, creative research in terms of applying neural network model to ship valuation; this deviates from the existing formalized evaluation techniques. Second, the objectivity of research results was enhanced from a dynamic perspective by analyzing and predicting the factors of changes in the shipping. market.
Keywords
Neural Network; Random Forest; Linear Regression; Ship Valuation; VLCC Secondhand Price;
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Times Cited By KSCI : 1  (Citation Analysis)
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