All Questions
Tagged with nonparametric anova
56
questions with no upvoted or accepted answers
4
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0
answers
238
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multiple Kruskal-Wallis instead of ANOVA for non-normally distributed data
Apologies in advanced if I supply too little or vague information, since I am a complete newbie in stats and using this forum.
So I did a study which evaluated psychopathic personality traits, ...
- 41
4
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0
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804
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ANOVA on ranks?
Once in a statistics class I've seen the suggestion that one non-parametric approach for ANOVA would be to perform the ANOVA analysis on the ranks of the original data (basically as an alternative to ...
- 1,133
3
votes
0
answers
608
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What does it mean when F values of ANOVAs are not all ~0?
I am running an aligned rank transform ANOVA (a non-parametric ANOVA for an ordinal DV). In my data there are 3 factors and one ordinal DV.
When I create the model:
...
- 319
3
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446
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Multiple comparisons between two groups (non-parametric)
Update Added more details about the Experimental setup.
My experiment comprised two groups, control (N=25) and experimental (N=26). Each participant belonged to one group. Their performance has been ...
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3
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118
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Two uneven groups (101 vs 21) measured twice; what repeated measures ANOVA equivalent can help?
I have a question that I have difficulties in answering:
I have two groups of patients tested twice at the same continuous variable.
Group A=104 & GroupB=21.
So two groups, one continuous variable,...
- 31
2
votes
1
answer
70
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Alternatives to ANOVA to find differences between three groups?
So my data is looking at the incidence of emotions within therapy sessions. I am looking at three groups that I suspect have different pattern across several emotions
Group 1 n=36
Group 2 n=12
Group 3 ...
- 21
2
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0
answers
51
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Nonparametric ANOVA for simulated data
I have some simulated data and I want to test whether "group" has an effect. The data are from a Weibull distribution. because the data are simulated, I can determine sample size, however ...
- 469
2
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131
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What is the alternative to the 2-way ANOVA when the data are non-parametric in addition to being non-ordinal
I understand that the scheirer-ray-hare test would be a good option, however, the literature mentions that it is not reliable in my case because it uses data on an ordinal scale. What alternative ...
- 21
2
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answers
160
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Non-parametric test for repeated measures that are not independent
Seacucumbers were counted at the same 63 survey sites in three successive years (3 x 63 = 189 surveys in total). The distribution of counts per site are non-normal for each year. (Some sites have ...
- 121
2
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0
answers
2k
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Repeated measure two-way ANOVA (non-parametric)
Non-parametric ANOVA – a hot topic that is unanswered.
There are many questions on this topic online. However, they all seem to end in a debate and no definite answer or clear explanation (that I ...
- 21
1
vote
0
answers
57
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Welch ANOVA for Comparisons of Elevation & altered Sediment Accretion of Sea Ecosystems: Large DEM with no normal distribution & heterogeneity
I am investigating the elevation characteristics and sediment accretion effects of two distinct ecosystems within the Wadden Sea, impacted by the bioinvasion of one species (ecosystem one) and ...
- 11
1
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0
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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 - ...
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1
vote
1
answer
241
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Which statistical test should I use if the assumptions of a 2-way ANOVA are not met?
My study design consists of two factors (one with 2 levels, the other with 6) and a continuous response variable. In order to analyze the influence of both factors on the explanatory variable I built ...
- 441
1
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46
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State-of-the-art nonparametric $k$-way ANOVA allowing heteroscedasticity
QUESTION: Can you recommend a nonparametric version of a multiway ANOVA that is also robust in the absence of homogeneity of variances? So, this is what I am looking for:
(1) Nonparametric ANOVA (no ...
- 789
1
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0
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354
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Is it OK to use GEE insetad of GLM for non-repeated data?
I analyse data, that are repeated (pre-post), but I work with change from baseline instead. This is a non-randomized experiment, so I was advised to run this kind of analysis bearing in mind the Lord'...
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