The ANOVA procedure performs analysis of variance for balanced data from a wide variety of experimental designs. Use PROC ANOVA for the analysis of balanced data only, with the following exceptions: oneway analysis of variance, Latin squares designs, certain partially balanced incomplete block designs, completely nested (hierarchical) designs, designs with cell frequencies that are proportional to each other and are also proportional to the background population. These exceptions have designs in which the factors are all orthogonal to each other. The procedure enables you to do the following:


For further details see the SAS/STAT User's Guide:
The ANOVA Procedure
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