All Questions
Tagged with friedman-test repeated-measures
28
questions
2
votes
2
answers
73
views
How should I analyze data that is paired and also repeatedly measured?
I have data collected from the same subjects (n=10) over 11 days, with measurements taken under two conditions each day: immediately after training(D0) and 30 minutes after training(D30). The data is ...
- 21
0
votes
0
answers
10
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What is the most common Nonparametric Global Test of Difference for Repeated Measure?
The experiment goes like, there are two different machines, Machine_A and Machine_B and a Technician. The machines have the same purpose which is for measuring a continuous quantity (be it weight, ...
- 295
6
votes
1
answer
589
views
Alternative to Friedman Test in R
I am trying to run a Friedman Test in R with a repeated measure, however, my data do not qualify as an unreplicated complete block design. I am wondering what ...
- 75
1
vote
1
answer
1k
views
Error when conducting a Friedman Test in R
I am trying to run a Friedman Test on some data in R. I would like to measure a 3-way interaction with a repeated measure. However, I keep getting a persistent error message when I run the code and ...
- 75
1
vote
1
answer
60
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Repeated Measures, or just measuring the same thing, repeatedly?
I understand what "repeated measures" denotes - given a set of subjects, if each subject receives more than one treatment, we call this repeated measures, or "within subjects." But ...
- 33
1
vote
1
answer
767
views
Friedman's test and unequal sample sizes
I have movement information from 4 animals across different moon phases. I want to compare if their movement (eg. distance traveled per night) varied among different moon phases. However, I do not ...
2
votes
1
answer
451
views
Which statistical method can be used to compare the values of the same variables measured from different views?
I got a biological data set, where I need to run a statistical analysis on.
The data was created on a mass spectrometer and contains the intensity values for around one hundred lipids.
The analysis ...
0
votes
1
answer
35
views
What test to perform on my complicated data...?
I have data that looks like this:
I'm trying to analyze time and num_collisions. Subjects completed each combination of device/rho/lam/hmd x 6 trials [within subjects design, repeated trials]
There ...
1
vote
0
answers
85
views
An a posteriori test to determine non difference across >3 groups given a skewed continuous variable of interest, as an alternative to a Friedman-test
Given a set of items of which each item is once measured using a computative model, each time under a different condition, what is the best way to quantify the magnitude of difference between ...
1
vote
0
answers
26
views
Every time I run a statistical test, my n-value is doubled
I just finished collecting data for a small study with a within-subject design looking at caching behaviour and how it can be affected by a bird's surroundings. My study had three experimental ...
- 21
1
vote
0
answers
34
views
Computing statistical Significance of Rank Order Question
In my questionnaire, I have a rank order question concerning three different videos. Each respondent must rank each of the videos either on position 1, 2 or 3. All respondents are in the same group (...
- 11
0
votes
0
answers
175
views
Is there a non-parametric test to replace repeated-measures ANOVA in R?
I have a data set with 41 individuals, male and female, and 3 different measurements of a variable for each individual. The data is not normally distributed, nor does it have equal variances between ...
2
votes
2
answers
403
views
Repeated measurements with different measurement methods and uneven sample size - which test is suited?
I am struggling to find the appropriate statistical test to analyze my data. I hope that my question will be understandable.
I have the following setup:
A porcine spine with three vertebral bodies (...
- 71
0
votes
1
answer
432
views
Choice of non-parametric test in repeated measures
I have a question concerning the statistical analyses to conduct in the context of a psychology experiment.
There are two groups of students (experimental and control) who are exposed to either the ...
4
votes
1
answer
309
views
What is the right Bonferroni adjustment?
I am trying to test a hypothesis for my Masters Thesis.
There are 3 conditions (I will name them X, Y, Z), in each of which the data isn't normally distributed, and measures the improvement for each ...
- 41