منابع مشابه
Current Status and Right - Censored Data Structures
We study nonparametric estimation with two types of data structures. In the rst data structure we observe n i.i.d. copies of (C; N (C)), where N is a counting process and C a random monitoring time. In the second data structure we observe n i.i.d. copies of (C ^ T ; I (T C); N (C ^ T)), where N is a counting process with a nal jump at time T (e.g. death). This data structure includes observing ...
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Group testing, introduced by Dorfman (1943), has been used to reduce costs when estimating the prevalence of a binary characteristic based on a screening test of [Formula: see text] groups that include [Formula: see text] independent individuals in total. If the unknown prevalence is low and the screening test suffers from misclassification, it is also possible to obtain more precise prevalence...
متن کاملConfidence Intervals for Current Status Data
The likelihood ratio statistic for testing pointwise hypotheses about the survival time distribution in the current status model can be inverted to yield confidence intervals. One advantage of this procedure is that confidence intervals can be formed without estimating the unknown parameters that figure in the asymptotic distribution of the MLE of the distribution function. We discuss the likel...
متن کاملGeneralized additive models for current status data.
Current status data arise in studies where the target measurement is the time of occurrence of some event, but observations are limited to indicators of whether or not the event has occurred at the time the sample is collected--only the current status of each individual with respect to event occurrence is observed. Examples of such data arise in several fields, including demography, epidemiolog...
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Objective: to identify existing guidelines for real world data collection and analysis. Methods: we performed Pub-Med search in literature for guidelines and recommendations for real world data studies. Results: Based on the performed search we have obtained in total 97661 records. After analysis and selection we finally identified 40 publications fitting our search criteria and we found that o...
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ژورنال
عنوان ژورنال: Biometrika
سال: 2004
ISSN: 0006-3444,1464-3510
DOI: 10.1093/biomet/91.3.529