All Questions
Tagged with friedman-test anova
20
questions
1
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2
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43
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Can a Friedman's ANOVA be used for groups of different size?
The independent variable in my data is verb class: I have got four verb classes, each consisting of ten verbs. The dependent variables are accuracy (either 0 - incorrect or 1 - correct), and reaction ...
- 13
2
votes
2
answers
73
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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
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0
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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
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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
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1
answer
1k
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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
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0
answers
109
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Trouble interpreting Friedman Test for 3-way repeated measures ANOVA
I would like to use a Friedman Test as a non-parametric alternative to a 3-way ANOVA in RStudio. I would like to measure how 'cl_conc' (Response Variable) is affected by 'soil_type' (Fixed Effect #1 - ...
- 35
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0
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116
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Compare mean of subsamples between groups
I am going to collect quantitative data for two groups that I would like to compare. I have done a two sample t-test on some preliminary data and found a significant difference, but I don't think that ...
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0
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1
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26
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Which ANOVA / non-parametric alternative should I use?
Apologies if this is a really simple question but I cannot work it out.
I am trying to find out if year and/or location influence the amount of insects caught. Insects are measured in grams per 10km2. ...
- 1
0
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1
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35
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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
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0
answers
85
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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 ...
0
votes
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124
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Accounting for non-independence of measurements in analysis of variance
I have 10 measurements for each of 50 patients, each obtained at 3 different time points (i.e. 500 + 500 + 500 values). The measurements are of the same quantity but were measured in different ...
- 31
1
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111
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Friedman test when the observations are different from each other
I have database which has data about 72 plants, that got 6 different treatments. I have measured the weight of those plants every day and every hour for the past two weeks.so basically there is ...
- 61
0
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0
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27
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Most suitable stat test for this data?
Looking for a difference between: count and size, exposure, animal and colour (CountXsizeXexposureXanimalXcolour).
There are 480 data in each column of which:
240 each - size (0.5mm and 2mm)
240 ...
- 1
2
votes
1
answer
76
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Independent or matched groups?
A very beginner level question here: I'm trying to see whether there is a difference in how students assess the usefulness of 5 possible courses to be added to their curriculum. Each student was asked ...
- 123
0
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1
answer
95
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Correction needed for an non-parametric Anova?
I'm trying to analyze the behavioral data of my research experiment and I'm a bit lost... o_O
Briefly, subjects undergo 4 different conditions (of increasing complexity 1<2<3<4).
At the end ...
