All Questions
5
questions
0
votes
1
answer
485
views
which non parametric test is best for ordinal data?
I want to to do the test where i have to check if first column which is income, and 1 shows < 500, 2 = 1000, 3 = 2000 income values from the data, and which the other column which is a dependent ...
- 31
2
votes
1
answer
513
views
Wilcoxon signed-rank test with an additional covariate
Problem formulation
I have 5 strains on which I administered treatment and repeated the experiment two times independently. So my data looks something like this:
...
- 165
2
votes
0
answers
69
views
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 ...
- 919
0
votes
2
answers
3k
views
Comparing huge data sets that are non-normal and different lengths in R
I'm comparing two data sets. Each set is extremely large, about 25,000 quantitative pieces of data in length.
I want to find if these sets are significantly different, but the problem is that they are ...
6
votes
2
answers
942
views
Subsets not significantly different but superset is
I have various clinical data on participants in a study. I'm looking at a continuous variable ("A") and a (binary) categorical variable (group) ("O"). I used a Wilcoxon test in R (the data are not ...
- 1,261