All Questions
Tagged with nonparametric anova
154
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Is there a Bayesian Non-Parametric one-way ANOVA?
The rough idea is that I am trying to compare linguistic properties (e.g. readability) between pieces of texts from two authors essentially. For this, I thought using an ANOVA would be appropriate. ...
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How to plot the results of a Kruskal-Wallis or a Welch's ANOVA?
Let's assume that I have two datasets for which I have measured three continuous variables. In both datasets, these variables have been measured on three groups of observations and these groups only ...
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Kruskal–Wallis one-way analysis of variance is related to what kind of regression?
One-way anova is similar to regular linear regression because both use the F-test which involves sums of squares among other reasons.
Is Kruskal–Wallis one-way analysis of variance similar to some ...
user271077
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Is there a non-parametric alternative to Two-Way Repeated Measures Anova?
I am currently comparing the EEG funcional connectivity measured at 14 electrodes and 4 frequency bands between highly and lowly hypnotic susceptible individuals. I extracted the coherence and the ...
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How to deal with non-normal data? Tests
I have a database of a breaking news (tweets, timed events) and i need to find if there are significant differences in the coverage of the events by different media outlets (MOs) with different ...
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Kruskal Wallis test gives significance, multiple comparision table doesn't
I'm comparing physico-chemical properties of 8 different kefir samples like viscosity at different storage times. I have 4 viscosity measurements for each group. When I conduct Kruskal Wallis test; ...
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Comparison between groups: no significance?
I'm interested in finding differences in outcomes between groups. The residuals are not normal. I use Dunn test. Sample sizes are small (50 samples in 4 groups). I do multiple testing (different ...
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Do we need parametric tests? [duplicate]
First of all, sorry for catchy title, my question is not that broad as it suggests.
I just came to conclusion that I don't need parametric tests. Instead, I need some feedback if my reasoning makes ...
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Can I use multiple regression on a ranked response variable as a significance test for multiple covariates?
This blog post illustrates the relationship between inference tests on groups (t-test, ANOVA, etc.) and equivalent linear models. It also claims that for reasonable sample size, regression of a ranked ...
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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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Homogeneity of variances but non normal residuals of a two way ANOVA
I have a problem, actually two. I am doing a bunch two-way ANOVAs and some of them can't fullfil the assumptions, no matter what I transform the data to.
Question:
Does there exist a suitable non-...
2
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1
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Non norma distribution
I have a non-normal distribution (Kilograms ~ Years), so I can't use ANOVA test to reject the null hypothesis (that the tree means are equal).
There is a tendency of weight to be 100kg.
Is there a way ...
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Why does " smooth term" have "parametric" effect?
I read a blog about Generalized Additive Model (GAM). In this blog, the author used summary(gam1), then some information is printed:
...
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r - How to use Aligned Rank Transformed ANOVA for 2x2 non-normal data?
I'm a complete novice to stats and r so kindly bear with me.
I'm testing to see if the moisture content in two plants (p and s) is affected by heat (cold and warm). The 2x2 factorial data mandates a ...
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non-parametric alternatives to anova [duplicate]
Hello I am doing some stats on some research I did and was having trouble picking the correct statistical tests to use.
The question I am trying to answer is, I have two cell types (I, II) and two ...
