Use of the scale-up methods in injury prevention research: An empirical assessment to the case of choking in children
Use of the scale-up methods in injury prevention research: An empirical assessment to the case of choking in children
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DOI：
10.1016/j.socnet.2007.03.003
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发表时间：
2007-10-01
期刊：
影响因子：
3.1
通讯作者：
Gregori, Dario
中科院分区：
文献类型：
--
作者：
Snidero, Silvia;Morra, Bruno;Gregori, Dario
按比例放大法估计难以计数的亚种群的大小。该方法基于一般群体T中每个成员所知道的亚群体E中受试者的比例与一般群体T中E成员的比例相同的思想。本研究的目的是评估该方法是否适用于估计异物损伤的数量，并建立一种算法，以便选择最合适的亚群体用于估计。该算法具有较好的鲁棒性和准确性，并且改进了已知大小的子种群的选择。(C) 2007 Elsevier B.V.版权所有
The scale-up method estimates the size of hard to count subpopulations. This method is based on the idea that the proportion of subjects in a subpopulation E known to each member of the general population T is the same as the proportion of members of E belonging to general population T.The aim of this study is to assess if this method is suitable for estimating the number of foreign body injuries and for setting up an algorithm in order to choose the most suitable subpopulations to use in estimates.The scale-up estimator is robust and precise and the selection of subpopulations of known size is improved by our algorithm. (C) 2007 Elsevier B.V. All rights reserved.