摘要
对二阶比估计与二阶PPS抽样方法进行了比较,给出了比估计优于PPS抽样及PPS抽样优于比估计的条件.
In this paper, the ratio estimates in TwoStage sampling with the PPS sampling were compared and the condition that the ratio estimator is superior to PPS estimator was obtained in the paper.
出处
《江南大学学报(自然科学版)》
CAS
2003年第2期205-206,220,共3页
Joural of Jiangnan University (Natural Science Edition)