摘要
研究了用普通最小二乘估计代替混合回归模型的混合估计对估计精度及一组数据和多组数据所产生的影响大小;建立了这些影响统计量和广义相关系数的联系。
It's studied that the influence of estimation precision of one data and severable data points after ordinary least squares estimator replaces mixed estimator of mixed regression model,and builds the relation between the influence statistic and generalized correlation coefficient.
出处
《郑州轻工业学院学报》
1993年第3期78-81,共4页
Journal of Zhengzhou Institute of Light Industry(Natural Science)
关键词
混合回归模型
广义相关系数
mixed regression model,least squares estimation,generalized correlation coef-ficients