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#84_1_Tukey_test #84_2_Tukey_test

Tukey’s test is a single-step multiple comparison procedure and statistical test. It is a post-hoc analysis, what means that it is used in conjunction with an ANOVA. It allows to find means of a factor that are significantly different from each other, comparing all possible pairs of means with a t-test like method. You can read this page if you want to understand the exact procedure of this test.

Results are usually drawn in a boxplot. Levels that are not significantly different one each other are represented with the same letter.

synonymous: Tukey’s range test / Tukey method / Tukey’s honest significance test / Tukey’s HSD (honest significant difference) test / Tukey–Kramer method


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2 Comments on "#84 Tukey test"

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lala
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I am a new R user. I want to perform Tukey’s Test on my data and generate plots,
so I tried loading my own data but when I run the “labels” I get an error:
Error in tukey[[variable]] : invalid subscript type ‘symbol’

lala
Guest

I am a new R user. I want to perform Tukey’s Test on my data and generate plots.
So I tried loading my own data but when I run the “labels” I get an error:
Error in tukey[[variable]] : invalid subscript type ‘symbol’

Please help!

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