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6.1 years ago

Koreanraichu
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Guten morgen.(means 'Good morning' in Deutsch)

Recently I read a paper entitled "Circulating Tumor DNA Mutation Profiling by Targeted Next Generation Sequencing Provides Guidance for Personalized Treatments in Multiple Cancer Types", the Dunn's multiple comparisons test appeared in Figure 3 of that paper. When I search on Google, it is one of statistics, but I do not know statistics.

I know p <0.05 that it means "to reject the null hypothesis when p <0.05", but for what is it a test, what is the multiple comparison and the Dunn's test I do not know.

- What is Dunn's test and what is test for blackening?
- What is the multiple comparison?
- Is Dunn's multiple comparison test proceeding with multiple comparisons using Dunn's test?

PS: Are Dunn's test and dunnett test the different tests?

No. p<0.05 doesn't mean "to reject the null hypothesis when p <0.05". If you don't know anything about statistics I suggest you start taking a course or at least pick a good introductory book otherwise any explanation we could write will not make sense to you and here is not the place to teach you basics in statistics.

then, what p<0.05 mean? 0.05 is not significance level?

In this context, p<0.05 means that under the assumptions of the test, when the null hypothesis is true, the probability of observing the data is less then 0.05.

Ah, okay. thanks for answer!