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Research on Supplier Selection Based on Principal Component Analysis and BP Neural Network

XIAO Hui-min,GUO Peng(Math and Information Science Department,He nan university of encomics and law,Zhengzhou 450002,China)  
Suppliers selection is a important thing to enterprise and influence a enterprise's competition directly.Followed the setting principles of scientific and proper,the author establishes the choosing and evaluating suppliers index system.Firstly,the paper analyzes the indexes of supplier evaluation by principal component analysis,constructs the suppliers selection and evaluation model based on BP neural network.Finally,it shows an example.The combined ways is not only simplified the model's structure,but also supplement its deficiencies of the subjective indexes.So it is a new and practical choosing and evaluating method.
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