Application of multiple imputation using the two-fold fully conditional specification algorithm in longitudinal clinical data [0.03%]
基于双层条件规格算法的多重插补在纵向临床数据中的应用研究
Catherine Welch,Jonathan Bartlett,Irene Petersen
Catherine Welch
Electronic health records of longitudinal clinical data are a valuable resource for health care research. One obstacle of using databases of health records in epidemiological analyses is that general practitioners mainly record data if they...
Incorporating Complex Sample Design Effects When Only Final Survey Weights are Available [0.03%]
仅基于最终调查权重的情况下在复杂抽样设计影响下进行纳入的方法研究
Brady T West,Sean Esteban McCabe
Brady T West
This article considers the situation that arises when a survey data producer has collected data from a sample with a complex design (possibly featuring stratification of the population, cluster sampling, and / or unequal probabilities of se...
Maarten L Buis
Maarten L Buis
This article discusses a method by Erikson et al. (2005) for decomposing a total effect in a logit model into direct and indirect effects. Moreover, this article extends this method in three ways. First, in the original method the variable ...
The impact of different sources of body mass index assessment on smoking onset: An application of multiple-source information models [0.03%]
体重指数不同来源估计对吸烟发生风险的影响及多源信息模型的应用研究
Maria Paola Caria,Rino Bellocco,Maria Rosaria Galanti et al.
Maria Paola Caria et al.
Multiple-source data are often collected to provide better information of some underlying construct that is difficult to measure or likely to be missing. In this article, we describe regression-based methods for analyzing multiple-source da...
Margaret Pepe,Gary Longton,Holly Janes
Margaret Pepe
The receiver operating characteristic (ROC) curve displays the capacity of a marker or diagnostic test to discriminate between two groups of subjects, cases versus controls. We present a comprehensive suite of Stata commands for performing ...
Holly Janes,Gary Longton,Margaret Pepe
Holly Janes
Classification accuracy is the ability of a marker or diagnostic test to discriminate between two groups of individuals, cases and controls, and is commonly summarized using the receiver operating characteristic (ROC) curve. In studies of c...
The Skillings-Mack test (Friedman test when there are missing data) [0.03%]
Skillings-Mack检验(处理缺失数据的弗里德曼检验)
Mark Chatfield,Adrian Mander
Mark Chatfield
The Skillings-Mack statistic (Skillings and Mack, 1981, Technometrics 23: 171-177) is a general Friedman-type statistic that can be used in almost any block design with an arbitrary missing-data structure. The missing data can be either mis...