Research on the Combination Weight of Multiple Benefit Factors in Urban Rail Transit Project Based on Rough Set
Xueyan Li · Zhongguo tiedao kexue · 2008
Ensuring the weight of benefit factors is an important part of urban rail transit projects benefit analysis.Aiming at the existing problems of unilateralism and limitation in the research on single benefit factor,the paper presents the model of the combination weight of multiple factors in urban rail transit project based on rough set theory.Calculation and analysis is carried out by the benefit factor data of urban rail transit project in 8 cities.The result shows that the combination weight of society benefits multiple factors is greater than that of economy benefits multiple factors,which confirms the strong quasi-public economic characteristics of urban rail transit project at present in China.Meanwhile,there is a great influence on the decision-making by restriction and reaction among the benefit factors.