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   Articles with "cluster sampling" as a keyword



Estimation of rare and clustered population variance in adaptive cluster sampling

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

DOI: 10.1080/03610926.2018.1513144

Abstract: Abstract Many researchers used auxiliary information together with survey variable to improve the efficiency of population parameters like mean, variance, total and proportion. Ratio and regression estimation are the most commonly used methods that utilized… read more here.

Keywords: estimation; cluster sampling; variance; rare clustered ... See more keywords

Occurrence of Foliar Pathogens of Watermelon on Commercial Farms in South Carolina Estimated with Stratified Cluster Sampling.

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recommendations! Published in 2018 at "Plant disease"

DOI: 10.1094/pdis-03-18-0468-re

Abstract: A survey of foliar pathogens of watermelon based on two-stage cluster sampling was conducted on commercial farms in South Carolina in spring 2015, spring and fall 2016, and fall 2017. In total, 60 fields from… read more here.

Keywords: pathogen; occurrence; cluster sampling; south carolina ... See more keywords

Cluster sampling and scalable Bayesian optimization with constraints for negative tone development resist model calibration.

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recommendations! Published in 2024 at "Optics express"

DOI: 10.1364/oe.518770

Abstract: As the semiconductor technology node continues to shrink, achieving smaller critical dimension in lithography becomes increasingly challenging. Negative tone development (NTD) process is widely employed in advanced node due to their large process window. However,… read more here.

Keywords: cluster sampling; model; resist model; model calibration ... See more keywords

Adaptive Cluster Sampling-Based Design for Estimating COVID-19 Cases With Random Samples

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recommendations! Published in 2021 at "Current Science"

DOI: 10.18520/cs/v120/i7/1202-1210

Abstract: During the COVID-19 pandemic, testing of all persons except those who are symptomatic, is not feasible due to shortage of facilities and staff This article focuses on estimating the number of COVID-19-positive persons over a… read more here.

Keywords: based design; adaptive cluster; sampling based; cluster sampling ... See more keywords

Re-assessment of schistosomiasis in nine endemic districts with cluster sampling in Sierra Leone

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recommendations! Published in 2024 at "Frontiers in Public Health"

DOI: 10.3389/fpubh.2024.1415486

Abstract: Background Baseline mapping showed that schistosomiasis was highly/moderately endemic in nine districts in Sierra Leone. Mass drug administration (MDA) with praziquantel started in 2009, and after multiple rounds of treatment, an impact assessment was conducted… read more here.

Keywords: schistosomiasis; cluster sampling; prevalence; sierra leone ... See more keywords