All Questions
5
questions
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votes
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11
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How to compare peak location and tail length of two different distributions?
I have the distributions of the fraction of people in each income bracket in a town in 1990 and 2020. The total sample size is the same in both, and assume that the incomes have been adjusted to ...
2
votes
0
answers
69
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When is the central limit theorem not applied?
I am trying to compare two matched samples. In total I have a sample of 34 people. Each patient receives two treatments, a C1 treatment and a C2 treatment. So each patient will be compared to himself ...
32
votes
3
answers
5k
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Why does the Kolmogorov-Smirnov test work?
In reading about the 2-sample KS test, I understand exactly what it is doing but I don't understand why it works.
In other words, I can follow all the steps to compute the empirical distribution ...
1
vote
0
answers
95
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What among location, scale and shape is Kolmogorov–Smirnov test statistic sensitive to and why? [closed]
I understand that the Kolmogorov–Smirnov test statistic for a given cumulative distribution function $F(x)$ is $D_n = \sup_x |F_n(x) - F(x)|$. However, if I have to rank its sensitivity to location, ...
1
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0
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261
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Non-parametric test for unimodality of 2-d dataset
I'm looking for a method to determine if a 2-d dataset forms a single cluster or is split into two/multiple clusters - and what's the likelihood or p-value for this. Isolated data should not be ...