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   Articles with "stratified sampling" as a keyword



Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling

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recommendations! Published in 2021 at "Scientific Reports"

DOI: 10.1038/s41598-021-93317-2

Abstract: Patients requiring low-dose warfarin are more likely to suffer bleeding due to overdose. The goal of this work is to improve the feedforward neural network model's precision in predicting the low maintenance dose for Chinese… read more here.

Keywords: stratified sampling; equal stratified; dose; neural network ... See more keywords

Evolving techniques for enhanced estimation: A comprehensive survey of stratified sampling and post-stratification methods

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recommendations! Published in 2024 at "AIP Advances"

DOI: 10.1063/5.0193961

Abstract: This comprehensive review delves into the landscape of estimators used in stratified sampling and post-stratification to estimate crucial population parameters, such as mean, median, variance, proportion, and distribution function. This study extensively examines the utilization… read more here.

Keywords: stratified sampling; estimation; post stratification; sampling post ... See more keywords

A generalized class of estimators under two-phase stratified sampling for non response

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recommendations! Published in 2018 at "Communications in Statistics - Theory and Methods"

DOI: 10.1080/03610926.2018.1481969

Abstract: Abstract In this paper, we propose a generalized class of estimators for finite population mean using two auxiliary variables in two-phase stratified sampling for non response. We identify 17 estimators as special cases of the… read more here.

Keywords: phase stratified; class; two phase; stratified sampling ... See more keywords

Valid overall odds ratio estimators using different stratified sampling schemes.

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recommendations! Published in 2024 at "Journal of biopharmaceutical statistics"

DOI: 10.1080/10543406.2024.2444232

Abstract: The study presents valid estimators for determining the overall odds ratio between two independent groups within stratified populations, utilizing both simple stratified sampling (SSRS) and stratified ranked set sampling (SRSS) methodologies. Through analytical derivations, we… read more here.

Keywords: overall odds; valid overall; odds ratio; stratified sampling ... See more keywords

An Optimum Multivariate-Multiobjective Stratified Sampling Design: Fuzzy Programming Approach

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recommendations! Published in 2017 at "Pakistan Journal of Statistics and Operation Research"

DOI: 10.18187/pjsor.v13i4.1834

Abstract: In stratified sampling design when the cost of measuring the units is not significant in each stratum, the estimation of population mean or total constructed from a selected sample according to Neyman allocation is advisable.… read more here.

Keywords: sampling design; programming approach; stratified sampling; fuzzy programming ... See more keywords