All Questions
5
questions
1
vote
0
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41
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Prove the relation between two distribution functions
I have been given a homework in a subject called "Non-Parametric Statistics" and I'm a bit stuck with it. I would be very thankful if you could give me any advice or help, which would lead to a ...
4
votes
3
answers
21k
views
Testing if two non-normal distributions are significantly different (K-S or Wilcoxon or both?)
The Big Question
I'm trying to decide between K-S and Wilcoxon (or something I haven't thought of yet) for two data sets I want to prove are significantly/insignificantly different from one another
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3
votes
1
answer
4k
views
Kruskal-Wallis Test and Mann-Whitney U Test
I have a three samples of data where each has a non-normal distribution:
I want to determine whether the samples differ. Therefore I apply the KW test and it gives me a significant value, i.e. the ...
8
votes
1
answer
166
views
How to test that a set of distributions are located in a given order?
I have a set of population distributions; I obtained them empirically, computing histograms from very large populations (about 1 million per distribution). The population distributions might not have ...
8
votes
2
answers
2k
views
The exact distribution of Wilcoxon rank-sum statistic U
The distribition of the rank-sum statistic U is assumed to be normal for large number of samples being considered. What is the exact distribution? I want to compare and sometimes fuse results from ...