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Results tagged with permutation-test
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user 11887
Statistical tests based on rearrangements of data that are consistent with the null hypothesis.
1
vote
What is the proper way to report test statistics used in a permutation analysis?
If you are computing (approximating/simulating) the p-value of your test statistic, be it an F or otherwise, the usual normal-theory null distribution is irrelevant. That means the "degrees of freedom …
- 82.8k
6
votes
Is $T_{initial} = T_{permuted}$ tallied as significant or insignificant in permutation testing?
Your question has the tag p-value. Reading its tag wiki excerpt you find
In frequentist hypothesis testing, the
-value is the probability of a result as extreme (or more) than the observed result, . …
- 82.8k
0
votes
What statistical test should I use for this type of data comparison?
You say
The integers can go up to some finite number but usually somewhere
around 4 to 10 at most.
so with a low upper limit you can assemble your data as a contingency table and do a chi-square tes …
- 82.8k
4
votes
Mann-Whitney with repeated measures on only *some* participants
So far just some ideas. According to this paper, also referenced in this book by Frank Harrell, the Mann-Whitney test is equivalent (in some sense) to ordinal logistic regression. In the case of two g …
- 82.8k
2
votes
Chi-Square test with relative values?
The chi-squared test for homogeneity in a contingency table would not be appropriate here. You do not have a table of independent counts! It seems to me that each respondent, which distributes somehow …
- 82.8k
2
votes
Should I use a t-test to compare the means?
Test should definitely be unpaired, car users and public transport users are presumably defined as disjoint groups. Walking distance to nearest shop (min) will not be normally distributed, and there i …
- 82.8k
0
votes
How to properly test for difference in number of user actions?
So you have two treatments (A and B) and randomize users into treatments groups$^\dagger$. The result is $n$ users (A) and $m$ users (B). For each user you observe a count variable $y_i$. If the count …
- 82.8k
1
vote
Bootstrap resampling for constructing hypothesis test
As for your more general question, how to use bootstrapping for hypothesis testing, in my understanding (which might be wrong ...), bootstrapping in the usual sense is not well adapted for hypothesis …
- 82.8k
2
votes
When are observations not weakly exchangeable?
I did not see this term before, but my guess is that it is used in opposition to the term "infinitely exchangeable". The latest is necessary for the deFinetti representation theorem. As you have seen …
- 82.8k