The improved estimates of population proportion using auxiliary attributes: Application in radiation science

IF 2.5 4区 综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES
Najwan Alsadat
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Abstract

The estimation of population proportions plays an important role in the scientific work, especially in radiation science, where evaluations are frequently implemented as estimate of the frequency of outcomes. This article presents new improved class of estimators of population proportion estimation under simple random sampling. The suggested class supports a diverse variety of estimators all of which can be customized to various data structures and situations, which leads to greater flexibility and precision. To gain some analytical understanding of estimator performance we find expressions for the bias and mean squared error up-to the first order of approximation. The radiation datasets and a simulation study used to assess the estimators efficiency. The MSE criterion is used to determine a comparative analysis with conventional and preliminary estimators. The results show that the recommended estimators have minimum values of MSE which means they are more efficient. This work also reveals the best conditions within which the estimators can work most efficiently as they produce the least MSE. In general this study provides a flexible estimation procedure at a more dependable base of estimating proportions in complicated sampling strategies. The generalized estimators have a great vision of being used in radiation science, and it plays a pivotal role in estimation of important health and exposure parameters like epidemiological hazardous verses, assessment of risks, and policies.
利用辅助属性改进的人口比例估计:在辐射科学中的应用
人口比例的估计在科学工作中起着重要的作用,特别是在辐射科学中,评估经常作为结果频率的估计来实施。本文提出了一类改进的简单随机抽样下总体比例估计的估计量。建议的类支持各种各样的估计器,所有这些估计器都可以针对各种数据结构和情况进行定制,从而带来更大的灵活性和精度。为了获得对估计器性能的一些解析性理解,我们找到了一阶近似下的偏置和均方误差的表达式。利用辐射数据集和模拟研究来评估估计器的效率。MSE准则用于确定与常规估计值和初步估计值的比较分析。结果表明,推荐的估计器具有最小的MSE值,这意味着它们的效率更高。这项工作还揭示了估计器可以最有效地工作的最佳条件,因为它们产生最小的MSE。总的来说,这项研究提供了一个灵活的估计程序,在一个更可靠的基础上估计复杂的抽样策略的比例。广义估计器在辐射科学中具有广阔的应用前景,它在流行病学危险系数、风险评估和政策等重要健康和暴露参数的估计中发挥着关键作用。
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来源期刊
自引率
5.90%
发文量
130
审稿时长
16 weeks
期刊介绍: Journal of Radiation Research and Applied Sciences provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and applications of nuclear, radiation and isotopes in biology, medicine, drugs, biochemistry, microbiology, agriculture, entomology, food technology, chemistry, physics, solid states, engineering, environmental and applied sciences.
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