نتایج جستجو برای: weighted kaplan

تعداد نتایج: 119881  

2016
Béranger Lueza Federico Rotolo Julia Bonastre Jean-Pierre Pignon Stefan Michiels

Background: The difference in restricted mean survival time (rmstD t ð Þ), the area between two survival curves up to time horizon t , is often used in cost-effectiveness analyses to estimate the treatment effect in randomized controlled trials. A challenge in individual patient data (IPD) meta-analyses is to account for the trial effect. We aimed at comparing different methods to estimate the ...

2016
Béranger Lueza Federico Rotolo Julia Bonastre Jean-Pierre Pignon Stefan Michiels

BACKGROUND The difference in restricted mean survival time ([Formula: see text]), the area between two survival curves up to time horizon [Formula: see text], is often used in cost-effectiveness analyses to estimate the treatment effect in randomized controlled trials. A challenge in individual patient data (IPD) meta-analyses is to account for the trial effect. We aimed at comparing different ...

1996
Mehryar Mohri Richard Sproat

Context-dependent rewrite rules are used in many areas of natural language and speech processing. Work in computational phonology has demonstrated that, given certain conditions, such rewrite rules can be represented as finite-state transducers (FSTs). We describe a new algorithm for compiling rewrite rules into FSTs. We show the algorithm to be simpler and more efficient than existing algorith...

Journal: :Biometrics 2004
David M Zucker Donna Spiegelman

We consider the Cox proportional hazards model with discrete-valued covariates subject to misclassification. We present a simple estimator of the regression parameter vector for this model. The estimator is based on a weighted least squares analysis of weighted-averaged transformed Kaplan-Meier curves for the different possible configurations of the observed covariate vector. Optimal weighting ...

Journal: :DMW - Deutsche Medizinische Wochenschrift 2007

Journal: :American Anthropologist 1975

Journal: :Schizophrenia Research 2010

Journal: :Revue de l'histoire des religions 2015

Journal: :Transactions of the Japan Society of Mechanical Engineers 1941

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