Objective:To introduce a robust method for homogeneity of variance.
目的：介绍一种较为稳健的方差齐性检验方法。
In longitudinal data analysis, homogeneity of variance is a basic assumption.
在纵向数据分析中，模型方差的齐性是一个基本假定。
The homogeneity variance and analysis of variance were compared in every group.
各组均数间比较方差齐性检验、方差分析。
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