摘要
考察了一次剔除一组或多组数据对某些点处拟合值的影响问题，得到了影响度量的广义类．它包含了Ｃｏｏｋ距离、ＷｅｌｓｃｈＫｕｈ统计量。
The influence on fitting values at certain points,when one group of data or several groups of data are deleted in a batch is studied.The general classes of influence measures are obtained,including Cook distance,Welsch Kuh statistic,AP statistic etc.
出处
《郑州轻工业学院学报》
1996年第4期70-73,共4页
Journal of Zhengzhou Institute of Light Industry（Natural Science）
关键词
回归分析
影响
统计
诊断
regression analysis
influence
statistics
diagnosis
