基于聚類和支持向量機(jī)的胃癌患者住院費(fèi)用建模(英文)
[Abstract]:In view of the complexity of the classification label setting of hospitalization expenses of gastric cancer patients and the limitation of the traditional cost modeling algorithm, this paper proposes a hospital cost modeling algorithm based on clustering and support vector machine. To provide a method basis for the control and prediction of hospitalization cost of gastric cancer patients. This paper collected and sorted out 1583 gastric cancer patients from 2009 to 2011 in a third Class A Hospital in Ningxia, and used K-means to cluster the total hospitalization cost year by year to get the classification label. Finally, the cost of hospitalization was modeled and predicted by support vector machine and the influencing factors were analyzed. The accuracy of classification is used as the evaluation index of prediction effect. The results showed that the hospitalization cost of gastric cancer patients was increasing year by year, in which western medicine was the main expense, accounting for 53.74% of the total cost. The classification accuracy of cost clustering based on K-Means is improved by 13.13%. When the kernel function is Gao Si kernel function, the support vector machine model established by penalty factor Cn10 and kernel parameter 緯 = 1 is the most stable. The classification accuracy is 92.11%. The experimental results show that it is more reasonable to get the category label according to the year clustering, and it is more effective to predict the hospitalization cost by combining the clustering SVM.
【作者單位】: 寧夏醫(yī)科大學(xué)理學(xué)院;
【基金】:Supported by National Natural Science Foundation of China(61561040) Natural Science Foundation of Ningxia(NZ16067) Natural Science Foundation of Ningxia Education Department(NGY2016084)
【分類號(hào)】:R197.323;TP18
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