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单体住宅性能的多属性分类综合评价方法 被引量:5
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作者 韩传峰 张清河 《同济大学学报(自然科学版)》 EI CAS CSCD 北大核心 2003年第12期1477-1481,共5页
分析了现有的多指标综合评价中的一般常用方法———模糊综合评价方法中所存在的问题 ,根据ABC分类方法的思路提出了一种改进的综合评价方法 ,即多属性分类综合评价方法 ,给出了其分类方法和评价方法 ,最后对 2种方法的特点和使用范围... 分析了现有的多指标综合评价中的一般常用方法———模糊综合评价方法中所存在的问题 ,根据ABC分类方法的思路提出了一种改进的综合评价方法 ,即多属性分类综合评价方法 ,给出了其分类方法和评价方法 ,最后对 2种方法的特点和使用范围做了对比和分析 .多属性综合评价方法克服了一般常用方法所存在的问题 ,对评价指标的重要性有显著差异的一类综合评价问题 ,此方法更合理 . 展开更多
关键词 单体住宅 综合评价 模糊评判 ABC分类方法 多层分类评价
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A Credit Risk Evaluation Approach to Neural Network Training by Means of Financial Ratios
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作者 Qian Ye 《Journal of Systems Science and Information》 2009年第1期23-32,共10页
In recent years artificial neural networks are used to recognize the risk category of investigated companies. The research is based on data from 81 listed enterprises that applied for credit in domestic regional banks... In recent years artificial neural networks are used to recognize the risk category of investigated companies. The research is based on data from 81 listed enterprises that applied for credit in domestic regional banks operating in China. The backpropagation algorithm-the multilayer feedforward network structure is described. Each firm is described by 9 diagnostic variables and potential borrowers are classified into four classes. The efficiency of classification is evaluated in terms of classification errors calculated from the actual classification made by the credit officers. The results of the experiments show that LevenbergMarque training error is smallest among 4 learning algorithms and its performance is better, and application of artificial neural networks and classification functions can support the creditworthiness evaluation of borrowers. 展开更多
关键词 credit risk evaluation financial ratio neural network classification algorithms the multilayer network
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