One-Way ANOVA with Repeated Measurement. Fixed and Random Effects.

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Presentation transcript:

One-Way ANOVA with Repeated Measurement

Fixed and Random Effects

'data.frame': 144 obs. of 4 variables: $ id : int $ trat : Factor w/ 3 levels "C","CB","FT": $ y : num $ tempo: Factor w/ 2 levels "dopo","prima": > fit <- aov(y ~ tempo*trat + Error(subj/tempo))

> summary(fit) # Table Agresti (a parte le SSQ type III) Error: subj Df Sum Sq Mean Sq F value Pr(>F) trat ** Residuals Error: subj:tempo Df Sum Sq Mean Sq F value Pr(>F) tempo ** tempo:trat ** Residuals