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test_code
2010 Feb 26
2
TukeyHSD troubles
I've tried to run a Tukey post-hoc but keep getting this weird error,
whether the aov was significant or not. treat_code is a dummy
variable, but that shouldn't matter. Any suggestions?
Thanks
Amy
> summary(aov(EtoH~treat_code, mydata))
Df Sum Sq Mean Sq F value Pr(>F)
treat_code 1 16.44 16.44 11.027 0.001014 **
Residuals 287 427.91 1.49
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Signif. codes: 0 ?***? 0.001 ?**? 0....