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《Systems Engineering and Electronics》 2014-10
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Complicated equipment cost estimation model with similarity information priority

WU Li-feng;LIU Si-feng;FANG Shi-li;YU Liang;College of Economics and Management,Nanjing University of Aeronautics and Astronautics;  
The similar information priority principle is put forward in order to predict the complicated equipment costs from the data of the cross section,because the similar main parameters of complicated equipment systems often lead to the similar cost.The similarity between new researched equipment and past equipment is analyzed,and the information priorities are distinguished according to the similarity of index cross section information.The normalized similarity is regarded as the weight of the weighted least squares,the regression model with similar information priority is set up,and the results are compared with other methods.The results of three examples show that the proposed method has higher prediction precision,and the multiple regression model with similar information priority reflects the similar information law.
【Fund】: 欧盟第7研究框架玛丽·居里国际人才引进计划Fellow项目(FP7-PIIF-GA-2013-629051);; 国家自然科学基金(71171113 71173106);; 国家社科基金重点项目(12AZD102);; 国家科技重大专项(2009ZX11002);; 中央高校基本科研业务费专项基金(NP2014105);; 国家级教学团队基金(10td128);; 南京航空航天大学引进人才基金(1009-YAH14003)资助课题
【CateGory Index】: O212.1;N941.5
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