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Analysis of Variance Procedures

Analysis of Variance

Analysis of variance in the contemporary sense of statistical modeling and analysis is the study of the influences on the variation of a phenomenon. This type of analysis may, for example, take the form of an analysis of variance table based on sums of squares, a deviance decomposition in a generalized linear model, or a series of Type III tests followed by comparisons of least squares means in a mixed model.

Below are highlights of the capabilities of the SAS/STAT procedures that perform analysis of variance: