【摘要】 基于主成份分析和方差分析思想， 提出一种纵向资料分析的序贯主成份方差分析法， 并对其步骤和特点等进行讨论． 将其用于两戒毒组的总生命质量的比较， 结果表明两戒毒组总生命质量在时间上的变化无统计学差异．更多还原

【Abstract】 In this article, based on the theories of analysis of variance and analysis of principal components, an method for analyzing longitudinal quality of life data, which called sequential analysis of variance for principal components was presented with discussions on the characteristics and steps in detail. An Companison on the overall quality of life in drug addicts across two groups was carried out by this method. The results show that the changes of the overall quality of life across two groups of drug addicts over time were no statistical significance.更多还原