摘要
残差分析在回归诊断中十分重要,常用的残差有普通残差δi、内学生化残差ri和外学生化残差ri等.本文通过影响函数推导出ri和ri间一个关系式.
As all known,the analyses of residuals is important in regression diagnostics.The residuals which often used have ordi nary residualsδ i ?the internally studentized residuals r i and externally studentized residuals r i .This article uses influence function to induce the relationship between r i and r i .
出处
《淮北煤师院学报（自然科学版）》
2002年第4期10-13,共4页
Journal of Huaibei Teachers College(Natural Sciences Edition)
基金
安徽省教育厅自然科学研究计划项目资助(2001kj180)
