Principal stratification analysis using principal scores
نویسندگان
چکیده
منابع مشابه
Mediation analysis with principal stratification.
In assessing the mechanism of treatment efficacy in randomized clinical trials, investigators often perform mediation analyses by analyzing if the significant intent-to-treat treatment effect on outcome occurs through or around a third intermediate or mediating variable: indirect and direct effects, respectively. Standard mediation analyses assume sequential ignorability, i.e. conditional on co...
متن کاملPersian Handwriting Analysis Using Functional Principal Components
Principal components analysis is a well-known statistical method in dealing with large dependent data sets. It is also used in functional data for both purposes of data reduction as well as variation representation. On the other hand "handwriting" is one of the objects, studied in various statistical fields like pattern recognition and shape analysis. Considering time as the argument,...
متن کاملDiscussion of "principal Stratification Designs ..."
We are grateful for the opportunity to discuss this paper. In this discussion, we i) question the plausibility of the authors’ substantive assumptions, ii) discuss the authors’ choice of scientific goals and their attainability, iii) comment on statistical issues and iv) describe a sensitivity analysis approach to the authors’ problem. i) Substantive assumptions. In §3 the authors show that und...
متن کاملPrincipal stratification--uses and limitations.
Pearl (2011) asked for the causal inference community to clarify the role of the principal stratification framework in the analysis of causal effects. Here, I argue that the notion of principal stratification has shed light on problems of non-compliance, censoring-by-death, and the analysis of post-infection outcomes; that it may be of use in considering problems of surrogacy but further develo...
متن کاملPrincipal stratification: a broader vision.
*Corresponding author: Ian Shrier, Centre for Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, QC H3T 1E2, Canada, E-mail: [email protected] Jay S. Kaufman: E-mail: [email protected], Robert W. Platt: E-mail: [email protected], Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Royal Statistical Society: Series B (Statistical Methodology)
سال: 2016
ISSN: 1369-7412
DOI: 10.1111/rssb.12191