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2012 | OriginalPaper | Buchkapitel
Analysis of Variance II
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Analysis of Variance (ANOVA) is a statistical procedure for comparing means of two or more populations. In Chap. 8 we considered one-way ANOVA models, which help to analyze differences in the mean response corresponding to the levels of a single group variable or factor. In this chapter we consider randomized block designs and two-way ANOVA models. Randomized block designs model the effects of a single group variable or factor while controlling for another source of variation using blocks. Two-way ANOVA models explain differences in the mean response corresponding to the levels of two group variables (factors) and their possible interaction.