单变量分析主要集中在单变量的描述和统计推断两个方面,在于用最简单的概括形式反映出大量样本资料所容纳的基本信息,描述样本数据中的集中或离散趋势,单变量统计推断则是从样本资料来推断总体的情况,主要包括区间估计和统计假设检验。描述单变量的样本集中趋势,常用的统计描述方式有均值,众数和中位数。区间估计是指在一定的置信度范围下对总体的取值区间的估计。统计假设是先对总体的某个参数做出假设,然后用样本统计量来验证假设,从而决定对假设的接受或拒绝。
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定性分析方法主要是单变量分析,定量分析方法有多变量模型和神经网络模型。
Single variable analysis is the mainly used qualitative analysis method in this thesis, while multivariable model and neural network model used as the main quantitative analysis methods.
单变量分析表明,血清肌酐水平、肾小球和肾小管间质损伤的严重程度都与高尿酸血症显著相关。
Univariate analysis showed that the level of serum creatinine and the severity of glomerular and tubular interstitial injury were significantly related to hyperuricemia.
本文采用单变量分析和多因素分析的方法对贫困农村妇女若干基本生育健康服务逐项进行了影响因素的分析。
Using both the single variable and multiple variable analysis, this article presents an intensive analysis on some factors which influence poor rural women's utilization of the elementary services.
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