Inference for imputation estimators

Inference for imputation estimators
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DOI:
10.1093/biomet/87.1.113
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发表时间:
2000-03-01
期刊:
影响因子:
2.7
通讯作者:
Wang, NS
Wang, NS
中科院分区:
数学2区
文献类型:
--
作者:
Robins, JM;Wang, NS

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我们得到了一个估计的渐近方差的单重和多重填补估计。我们假设一个参数插补模型,但允许非和半参数分析模型。与Rubin(1987)提出的方差估计相比,我们的方差估计即使在插补模型和分析模型被错误指定且相互不相容的情况下也是一致的。
We derive an estimator of the asymptotic variance of both single and multiple imputation estimators. We assume a parametric imputation model but allow for non- and semiparametric analysis models. Our variance estimator, in contrast to the estimator proposed by Rubin (1987), is consistent even when the imputation and analysis models are misspecified and incompatible with one another.