All Questions
Tagged with nonparametric statistical-significance
110
questions
2
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Tests significative with parametric calculations and non-significative with non-parametric ones! [duplicate]
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Comparing smoke and hormones level in two groups of people. Which test?
I'm analyzing some data for an article about hormones concentrations and smoking.
I was unsure whether ...
- 2,949
5
votes
1
answer
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What is the meaning of rank in the context of change-detection?
In a technique that uses CUSUM for change-point detection in this paper, the first step is given below:
Let $x_1, x_2,..., x_n$ be the $n$
samples in an event-series. The
samples are ranked in ...
- 4,542
6
votes
2
answers
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Which non-parametric test can I use to identify significant interactions of independent variables?
I have an experiment producing results (dependent variables) that don't pass tests of normality, thus I am testing hypotheses using non-parametric tests.
My DVs are continuous, while my factors (...
- 71
6
votes
2
answers
942
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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
7
votes
3
answers
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How to test group differences on a five point variable?
I have a series of observations that fall into bins (or "scores"); that is, the data can be 0, 1, 2, 3 or 4. There are two groups of such data, control and treated. I know the number of individuals ...
John