多分类logistics回归排序集抽样方法及其应用
[Abstract]:In this paper, we study the problem of parameter estimation under (RSS) sampling of sorting set of multiple classification logistics regression models. In the existing research literature, the method of sorting set sampling with several steps and two classifications is adopted, and then the parameters are estimated by using the selected samples. However, when the classification is numerous, it is more complicated to use several steps and two classifications. In order to solve this problem, this paper proposes a sampling method of one-off multi-classification direct sorting set, which will overcome the red tape caused by several steps and two-classification sorting. We use this sampling method to estimate the proportion of the population. Numerical comparison shows that the standard deviation of the population proportion estimation obtained by several step two classification sampling method and one time direct sorting set sampling method is obviously lower than the standard deviation of the population proportion estimation under the simple random sampling (SRS). And the standard deviation of population proportion estimation obtained by one-off direct sorting set sampling method is obviously smaller than the standard deviation of population proportion estimation obtained by sorting set sampling with several steps and two categories.
【学位授予单位】:华中师范大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:O212.2
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