supported by the National Natural Science Foundation of China(11471059;51375517;71271226);the China Postdoctoral Science Foundation Funded Project(2014M560712);Chongqing Frontier and Applied Basic Research Project(cstc2014jcyj A00024);the Ministry of Education of Humanities and Social Sciences Youth Foundation(14YJAZH033);the Chongqing Municipal Education Scientific Planning Project(2012-GX-142);the Higher School Teaching Reform Research Project in Chongqing(1202010)
In order to deeply research the structure discrepancy and modeling mechanism among different grey prediction models, the equivalence and unbiasedness of grey prediction models are analyzed and verified. The results sh...