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样本调查中无回答处理的一则讨论AI 解读

Two distinct types of models are used for handling nonresponse in survey sampling theory. In a response (or quasi-randomization) model, the propensity of survey response is modeled as a random process, an additional phase of sample selection. In a parametric (or superpopulation) model, the survey data are themselves modeled. These two models can be used simultaneously in the estimation of a population mean so that one provides some protection against the potential for…

摘要暂缺

This paper discusses a model-based finite population correction term for estimating the model and design variances of the Horvitz-Thompson estimator under the usual model.

摘要暂缺

周期性抽样调查中的无应答AI 解读

A parametric model is developed for analyzing the updated historical (ratio of identicals) imputation strategy in a periodic survey. A test is then developed for comparing alternative formulations of the historical values. The benefits of exponentially smoothing in this context are demonstrated using monthly gasoline sales data.

关于《有限总体系统抽样与分层抽样的若干渐近结果》的评论AI 解读

This paper leaves a misleading impression. When estimating a population mean, Y¯N⁠, the estimator Y^G=Y¯S+G.(X¯S−X¯N)⁠, where Y¯S is the sample mean of the Yi and G is any bounded function of the sample, is design consistent in both the Cochran sense, as sample size n approaches population size N, and the Isaki-Fuller sense, as n approaches infinity with n/N fixed, under simple random sampling. The perversity of Cochran design consistency may be seen when ŶG is combined with…

有限总体系统抽样与分层抽样的若干渐近结果AI 解读

A sample mean has an asymptotically insignificant model bias under a broad set of functional relationships between the parameter of interest and an auxiliary size variable given a systematic sample from a size ordered list. When based on randomly drawn samples within size strata, this estimator of the population mean not only has an asymptotically insignificant model bias but is design consistent as well. In addition, there are more efficient estimation strategies that have…

有限总体系统抽样与分层抽样的若干渐近结果AI 解读

A sample mean has an asymptotically insignificant model bias under a broad set of functional relationships between the parameter of interest and an auxiliary size variable given a systematic sample from a size ordered list. When based on randomly drawn samples within size strata, this estimator of the population mean not only has an asymptotically insignificant model bias but is design consistent as well. In addition, there are more efficient estimation strategies that have…

关于基于模型的分层方法的一则札记AI 解读

A slight improvement on the stratification methodology in Godfrey et al. (1984) is proposed and an example is advanced to demonstrate its usefulness.

小抽样偏差价格指数估计量设计：超总体理论方法AI 解读

This article uses simple superpopulation models to examine estimators for long-and short-term Laspeyres price relatives based on PPS samples.