Displaying 1 result from an estimated 1 matches for "early_tukey".
2011 Oct 23
0
manova/tukey test
...dependent variable, "sum_enemies", is different across plant species
"early_plant", and which plant species are significantly different from ea
other.
Below is the code i used to call the TukeyHSD:
early_anova=aov(formula=early_data$sum_enemies~early_plant, data=early_data)
early_tukey=TukeyHSD(early_anova,"early_plant", ordered=TRUE)
When I ask R to plot the results for my tukey test (which I've named
"early_tukey"), it says "Error in vcov.default(early_tukey) :
object does not have variance-covariance matrix."
I'm not sure why I'...