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Research Articles (Statistics): Recent submissions
Now showing items 181-200 of 485
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(MDPI, 2021-06-25)Entropy is a functional of probability and is a measurement of information contained in a system; however, the practical problem of estimating entropy in applied settings remains a challenging and relevant problem. The ...
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(Hindawi, 2021-07-27)This paper proposes new nonparametric hybrid exponentially weighted moving average (HEWMA) control charts based on simple random sampling (SRS) and ranked set sampling (RSS) techniques using the Wilcoxon rank-sum (W) ...
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(Public Library of Science, 2021-04)INTRODUCTION: New HIV infection during pre-conception and pregnancy is a significant contributor of mother–to–child transmission of HIV in South Africa. This study estimated HIV incidence (defined as new infection within ...
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(Taylor and Francis Group, 2021-04-19)This article focuses on the unique contribution of the QT-clicker regarding formative and summative assessment in a large flipped first year statistics module. In this module, the flipped classroom as pedagogical model ...
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(Growing Science, 2021-05-11)The combined effect of serial dependency and measurement errors is known to negatively affect the statistical efficiency of any monitoring scheme. However, for the recently proposed homogenously weighted moving average ...
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(Elsevier, 2021-05)INTRODUCTION : The COVID-19 pandemic in Malawi emerged amidst widespread anti-government demonstrations and subsequent mass gatherings. This paper describes the incidence and factors associated with the spread of the ...
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(Taylor and Francis, 2023)Adapted from the acceptance sampling field, the double sampling monitoring schemes implement a two-stage strategy to decide whether the process being monitored is in-control or out-of-control. That is, a master sample is ...
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(Public Library of Science, 2021-02)Please read abstract in the article.
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(Wiley, 2021-12)Please read abstract in the article.
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(Wiley, 2021-12)In most applications, parametric monitoring schemes are used to monitor the majority of industrial and nonindustrial processes in order to improve the quality of the outputs or services. However, parametric monitoring ...
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(Wiley, 2021-10)OBJECTIVES : South Africa has made remarkable progress in increasing the coverage of antiretroviral therapy (ART) among pregnant women; however, viral suppression among pregnant women receiving ART is reported to be low. ...
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(Frontiers Media, 2021-07-12)Focal palatine erosion (FPE) is a misleading term that is used in the literature to describe inflammatory lesions associated with depressions of the palatal mucosa in cheetah. Cheetahs have large cheek teeth and these ...
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(Frontiers Media, 2021-10-22)The COVID-19 pandemic starting in the first half of 2020 has changed the lives of everyone across the world. Reduced mobility was essential due to it being the largest impact possible against the spread of the little ...
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(MDPI, 2021-06-30)A cornerstone in the modeling of wireless communication is MIMO systems, where a complex matrix variate normal assumption is often made for the underlying distribution of the propagation matrix. A popular measure of ...
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(Elsevier, 2021-04)BACKGROUND : The assessment of fetal blood flow using Doppler waveform can be used to identify placental insufficiency, and hence is a tool to identify fetuses at risk of stillbirth due to fetal growth restriction (FGR). ...
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(Clinics Cardive, 2021-03-26)BACKGROUND : South Africa is experiencing an increasing burden of cardiovascular diseases, including coronary heart disease (CHD) and stroke. We aimed to obtain overall national prevalence estimates of CHD and stroke in ...
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(Clinics Cardive, 2021-07-26)BACKGROUND : Blood pressure (BP) is known to increase inevitably with age. Understanding the different ages at which great gains could be achieved for intervention to prevent and control BP would be of public health ...
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(MDPI, 2021-09)Food composition databases (FCDBs) provide the nutritional content of foods and are essential for developing nutrition guidance and effective intervention programs to improve nutrition of a population. In public and ...
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(BMC, 2021-11-13)BACKGROUND : Multilevel logistic regression models are widely used in health sciences research to account for clustering in multilevel data when estimating effects on subject binary outcomes of individual-level and ...
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(University of KwaZulu-Natal, School of Education and Development, 2021-12)The 21st century can be marked by growing ethnocentrism. Ethnocentrism in education could have detrimental effects on classroom practices and learner performance. With a quantitative, institutional case study research ...
Now showing items 181-200 of 485