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Epidemiologists sometimes study the association between two measures of exposure on the same subjects by grouping the data into categories that are defined by sample quantiles of the two marginal distributions. Although such grouped data are presented in a twoway contingency table, the cell...
Persistent link: https://www.econbiz.de/10010956598
Motivated by the recent advances in the kappa statistic for the clustered physician–patients dichotomous data, we extend the development for the polytomous data. For the clustered physician–patients polytomous data, based on its special correlation and covariance structure, we propose a...
Persistent link: https://www.econbiz.de/10011209619
Persistent link: https://www.econbiz.de/10005757503
OBJECTIVE: To identify consistent provision of clinical preventive services, we sought to benchmark all acute care Veterans Affairs Medical Centers (VAMCs) against each other nationally on the basis of multiple evidence-based, performance measures to identify facilities performing consistently...
Persistent link: https://www.econbiz.de/10009466025
The command kapci calculates 100(1 - alpha) percent confidence intervals for the kappa statistic using an analytical method in the case of dichotomous variables or bootstrap for more complex situations. For instance, kapci allows estimating CI f or polychotomous variables using weighted kappa or...
Persistent link: https://www.econbiz.de/10005748341
Persistent link: https://www.econbiz.de/10005381956
For both clinical and research purposes, biopsies are used to classify liver damage known as fibrosis on an ordinal multi-state scale ranging from no damage to cirrhosis. Misclassification can arise from reading error (misreading of a specimen) or sampling error (the specimen does not accurately...
Persistent link: https://www.econbiz.de/10005585152
Persistent link: https://www.econbiz.de/10005719186
The paper deals with the problem of modelling simple monetary policy rules, example of which is the Taylor rule, which is widely present in the literature of macroeconomics. More precisely, the aim of this paper is realized through verification whether the monetary policy that is carried out by...
Persistent link: https://www.econbiz.de/10011010351
In the context of functional estimation, the bootstrap approach amounts to substitution of the empirical distribution function for the unknown underlying distribution in the definition of the functional. A smoothed bootstrap alternative substitutes instead a smoothed version of the empirical...
Persistent link: https://www.econbiz.de/10009471415