简介:本文以三参数型Fuzzy数为基础,建立了Fuzzy值向量函数的概念,从而把Fuzzy值向量函数与实函数联系起来,讨论了Fuzzy值向量函数的极限的性质。
简介:Iafluencefunctionofastatisticdescribestheeffectofasmallperturbationofthedataonthisstatistic.ThispaperstudiestheinfluencefunctionofsquaredcorrelationcoefficientR^2ofksetsofvariablesdefinedbyY.ZhangandX.ZhuandgivesthevarianceanditsestimationofthesquaredsamplecorrelationcoefficientRn^2.Finally,theresultsobtainedareappliedtoassessingtheinfiuenceofindividualobservationwiththeaidofanexample.