The paper discusses the ratio estimation with systematic PPS sampling and simulates the model with the data of the First Agricultural Census in China on the base of introduction of the ratio estimation with simple ran...The paper discusses the ratio estimation with systematic PPS sampling and simulates the model with the data of the First Agricultural Census in China on the base of introduction of the ratio estimation with simple random sampling. The method of the ratio estimation can solve some problems of precision and multi-purpose survey. Systematic PPS sampling design is a good method to be applied in practice.展开更多
MPPS sampling design is a kind of new method that was deVeloped by National Agricultural Statistics Service of Agricultural Department in the U.S.A.at the end of last century. Some ideas about the improvement of the v...MPPS sampling design is a kind of new method that was deVeloped by National Agricultural Statistics Service of Agricultural Department in the U.S.A.at the end of last century. Some ideas about the improvement of the variance estimator of MPPS design are proposed in this paper.The model has been simulated with the data of the First Agricultural Census in China.展开更多
文摘The paper discusses the ratio estimation with systematic PPS sampling and simulates the model with the data of the First Agricultural Census in China on the base of introduction of the ratio estimation with simple random sampling. The method of the ratio estimation can solve some problems of precision and multi-purpose survey. Systematic PPS sampling design is a good method to be applied in practice.
文摘MPPS sampling design is a kind of new method that was deVeloped by National Agricultural Statistics Service of Agricultural Department in the U.S.A.at the end of last century. Some ideas about the improvement of the variance estimator of MPPS design are proposed in this paper.The model has been simulated with the data of the First Agricultural Census in China.