摘要
对整群比估计与PPS抽样方法进行了比较 。
In this paper, the ratio estimates in cluster 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
《无锡轻工大学学报(食品与生物技术)》
CSCD
北大核心
2001年第4期416-417,共2页
Journal of Wuxi University of Light Industry