| 重复观测数据单变量方差分析的前提条件的检验 |
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| 引用本文： | 陈长生,徐勇勇. 重复观测数据单变量方差分析的前提条件的检验[J]. 中国卫生统计, 2000, 17(2): 74-76 |
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| 作者姓名： | 陈长生 徐勇勇 |
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| 作者单位： | 第四军医大学卫生统计学教研室,710032 |
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| 基金项目： | 国家自然科学基金资助项目(项目编号 39370637) |
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| 摘 要： | 目的 重复观测数据存在自相关性常见导致一元方差分析的误用，本文探讨一元方差分析两个前提条件的检验。方法 通过标准正交对比变换克服数据间的自相关性，应用似然计量进行前提条件的检验。结果 给出了重复观测数据一元方差分析的前提条件检验方法，并用软件ＲＥＰ得以实现。结论 只有满足前提条件，才可以保证重复观测资料单量方差分析的有效性。
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| 关 键 词： | 重复观测 假设检验 单变量方差分析 卫生统计 |
The Tests for the Presuppositions concerning the Validity of Univariate Analysis of Variance with Repeated Measures. |
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| Chen Chngsheng,Xu Yongyong. The Tests for the Presuppositions concerning the Validity of Univariate Analysis of Variance with Repeated Measures.[J]. Chinese Journal of Health Statistics, 2000, 17(2): 74-76 |
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| Authors: | Chen Chngsheng Xu Yongyong |
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| Affiliation: | Chen Chngsheng,Xu Yongyong(Department of Health Statistics,The Fourth Military Medical Uniuersity(710032),Xi'an.) |
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| Abstract: | Objective Because of its auto-correlation,the univariate analysis of variance of repeated measures data were often be misused.This paper explored the tests for two presuppositions concerning the validity of the univariate analysis of variance with repeated measures. Methods In this paper,the authors introduced orthonormal contrast transformation to avid auto-correlation,and proposed the tests of presuppositions by likelihood ratio statistics.Results Hypothesis tests for the presuppositions of the univariate ANOVA with repeated measures were given,and a proper software named REP was implemented.Conclusion The validity of the univariate ANOVA wih repeated measures will not be ensured unless the presuppositions are satisfied. |
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| Keywords: | Repeated measures Polynomials transformation Hypothesis test |
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