نتایج جستجو برای: minimum risk model

تعداد نتایج: 3059169  

Journal: :iranian red crescent medical journal 0
leila sabzmakan department of health education & promotion, alborz university of medical sciences, karaj, ir iran eesa mohammadi department of nursing, tarbiat modares university, tehran, ir iran; department of nursing, tarbiat modares university, tehran, ir iran. tel: +98-2634643590 mohammad ali morowatisharifabad department of health education, shahid sadoughi university of medical sciences, yazd, ir iran ahmad afaghi department of nutritionist, qazvin university of medical sciences, qazvin, ir iran mohammad hassan naseri department of surgery, alborz university of medical sciences, karaj, ir iran; department of surgery, baqiyatallah university of medical sciences, tehran, ir iran masoud mirzaei cardiovascular research center, shahid sadoughi university of medical sciences, yazd, ir iran

conclusions: the environmental factors were barriers for doing healthy behaviors. these factors need to be considered to design health promotion interventions. policymakers should not only focus on patients’ education but also should provide specific facilities to enhance economic, social and cultural status. results: lack of behaviors like stress control, healthy eating and physical activity w...

1998
Peter Grünwald Petri Kontkanen Petri Myllymäki Tomi Silander Henry Tirri

We analyze differences between two information-theoretically motivated ap­ proaches to statistical inference and model selection: the Minimum Description Length (MDL) principle, and the Minimum Message Length (MML) principle. Based on this analysis, we present two revised versions of MML: a pointwise estimator which gives the MML-optimal single parameter model, and a volumewise estimator which ...

1994
JONATHAN J. OLIVER

This paper examines the minimumencoding approaches to inference, Minimum Message Length (MML) and Minimum Description Length (MDL). This paper was written with the objective of providing an introduction to this area for statisticians. We describe coding techniques for data, and examine how these techniques can be applied to perform inference and model selection.

1997
M. T. Dickerson J. M. Keil M. H. Montague

We present an O(n4)-time and O(n2)-space algorithm that computes a subgraph of the minimum weight triangulation (MWT) of a general point set. The algorithm works by finding a collection of edges guaranteed to be in any locally minimal triangulation. We call this subgraph the LMT-skeleton. We also give a variant called the modified LMTskeleton that is both a more complete subgraph of the MWT and...

1996
Prosenjit Bose Luc Devroye William S. Evans

Two recent methods have increased hopes of finding a polynomial time solution to the problem of computing the minimum weight triangulation of a set S of n points in the plane . Both involve computing what was believed to be a connected or nearly connected subgraph of the minimum weight triangulation, and then completing the triangulation optimally. The first method uses the light graph of S as ...

Journal: :Journal of the Indian Society for Probability and Statistics 2022

In this paper, by considering an $$M|M|1|\infty$$ queueing model, Bayes estimators of traffic intensity and system performance measures are discussed under (i) squared error loss function (SELF) (ii) entropy (ELF) (iii) LINEX with Beta prior. Further, minimum posterior risk associated obtained SELF. The the model compared Uniformly Minimum Variance Unbiased Estimators (UMVUEs) through simulation.

In the context of ridge regression, the estimation of ridge (shrinkage) parameter plays an important role in analyzing data. Many efforts have been put to develop skills and methods of computing shrinkage estimators for different full-parametric ridge regression approaches, using eigenvalues. However, the estimation of shrinkage parameter is neglected for semiparametric regression models. The m...

Shrinkage preliminary test estimation in exponential distribution under a precautionary loss function is considered. The minimum risk-unbiased estimator is derived and some shrinkage preliminary test estimators are proposed. We apply our results on censored data and records. The relative efficiencies of proposed estimators with respect to the minimum ‎risk-unbiased‎&...

1998
Tomi Silander Henry Tirri

We analyze diierences between two information-theoretically motivated approaches to statistical inference and model selection: the Minimum Description Length (MDL) principle, and the Minimum Message Length (MML) principle. Based on this analysis, we present two revised versions of MML: a pointwise estimator which gives the MML-optimal single parameter model, and a volumewise estimator which giv...

 Introduction: From human- made pollutants, SO2 has been widely studied. This research aims to estimate the respiratory deaths and COPD related to SO2 pollutant in 2011. Methods: Firstly, the concentration of SO2 pollutant was measured by GRIMM device in 2011 in five stations in Tabriz. The data were processed by Excel software and fed to AIR Q model. Results: The result showed that the ...

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