The regression estimator in cluster random sampling 整群抽樣回歸估計量
For the regression estimation when the auxiliary variate is correlated with the disturbance , the bias and mean square error ( mse ) of the regression estimator are obtained , and the estimator of the mse is presented 摘要討論了輔助變量與擾動項相關(guān)條件下的回歸估計,給出了在這種條件下回歸估計量的偏差和均方誤差以及均方誤差的估計。