Why do I see this error?
> library(stats)
> require(stats)
[1] TRUE
>
> tHSD <- TukeyHSD(aov)
Error in TukeyHSD(aov) : no applicable method for "TukeyHSD"
In case it helps:
> aov
Call:
aov(formula = roi ~ (Cue * Hemisphere) + Error(Subject/(Cue *
Hemisphere)), data = roiDataframe)
Grand Mean: 8.195069
Stratum 1: Subject
Terms:
Residuals
Sum of Squares 645.7444
Deg. of Freedom 7
Residual standard error: 9.604645
Stratum 2: Subject:Cue
Terms:
Cue Residuals
Sum of Squares 0.386987 4.015740
Deg. of Freedom 1 7
Residual standard error: 0.7574148
1 out of 2 effects not estimable
Estimated effects are balanced
Stratum 3: Subject:Hemisphere
Terms:
Hemisphere Residuals
Sum of Squares 153.4860 827.6699
Deg. of Freedom 1 7
Residual standard error: 10.87376
1 out of 2 effects not estimable
Estimated effects are balanced
Stratum 4: Subject:Cue:Hemisphere
Terms:
Cue:Hemisphere Residuals
Sum of Squares 5.085930 4.279707
Deg. of Freedom 1 7
Residual standard error: 0.7819122
Estimated effects are balanced
>
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