奇异线性模型的数据诊断

来源期刊：中南大学学报(自然科学版)1996年第2期

论文作者：李国强

文章页码：149 - 152

关键词：线性模型; 奇异性; 诊断

Key words：linear models; singularity; diagnosis

摘    要：论述了奇异线性模型的平差,并证明了V^TQ－V＝V^T₂Q₁₁^－1V₁＝min.在此基础上,介绍了高杠杆点、异常点和强影响点的诊断.

Abstract: This paper deals with the adjustment of linear model with singularity, and shows that V^TQ－V＝V^T₂Q₁₁^－1V₁＝min. On the basis, diagnosis of high leverage case and outlier and influence case is presented.