Questions tagged [manova]
Multivariate ANalysis Of VAriance (MANOVA) is a generalization of ANOVA for the case with several dependent variables.
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How to use the effects output of a MANOVA model to calculate BLUEs? (without an intercept)
So my team wants a single best linear unbiased estimate (BLUE) using 2 response variables. I have asremlR and here is my code to produce the model:
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Best approach to finding a statistical significance within the data
$\textbf{Description of Dataset:}$
I've got a dataset where 3 mice per cage are fed a certain diet. There are 3 diets and a control diet (4 diets all up), and 3 cages tied to each diet, so 36 ...
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Which statistical analysis should I use for my research proposal?
So I'm designing a study but not sure which statistical test to use.
Participants will be split into three groups - A, B, and C.
For all participants, I will first conduct a questionnaire and will use ...
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Three-way manova or separate anovas?
I have three independent catagorial variables and two dependent continuous scale variables, so I want to compare means across these three independent catagorial variables.
I think here the best choice ...
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Linear mixed model (repeated measurements) on HUGE dataset
I have a huge dataset with measurements of 21k genes across 11k samples. The measurements, called expression, represent (roughly) how "active" that gene is in the cells of the sample (in ...
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Non-normal data, manova and kruskal_test
I am trying to perform a statistical test on a large data frame. For this, I was thinking to find differences between groups using MANOVA.
I have 70 columns and 2 independent variables.
In the example ...
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Moments of the Hotelling Lawley Trace under the alternative
The Hotelling Lawley trace is used in multivariate ANOVA, or for tests of the Multivariate General Linear Hypothesis (regression coefficient testing in many-to-many linear regression). For our ...
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MANOVA: Dependence in dependent variables
In my study, I have two age groups (YA and OA) and 3 scores (A, B, C) are collected from each participant. Here I'm interested in two dependent variables, "RCG" which is calculated by ...
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Finding variable contribution in manova
I have a dataset with one grouping factor and some dependent continuous variables. Given the difference, I want to know which variables contribute the most to the difference, like this variable A is ...
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Statistical significance of distance between difference of vectors (LDA)
I have an output from Latent Dirichlet Allocation (LDA) which sums up the corpus of about 2,000 documents into 50 topics. The 2,000 documents belong to a category each (in total there are 4 categories,...
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How to perform ANOVA for data measured with unequal time interval?
So I have a set of patient data divided into 3 groups based upon their vision. I also have data on few variables that I believe to be relevent which are measured pre-surgery, 1 day post-surgery, and 7-...
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Excluding participants due to issue in randomisation?
I have been carrying a study and due to a human error in the randomisation process, instead of getting equal sized groups (I have 8 and aimed to have 100 per group), I now have around 90-100 ...
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Am I (reviewer) correct or is the researcher correct re: Bonferroni?
I've been asked to review an article for a low-tier journal, such that I am the only reviewer with stats knowledge (such as it is; I used to teach stats and advanced stats, but it's been a few years ...
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Suitable test for data with multiple categorical dependent variables?
I have a dataset with multiple independent variables (time being one of them, so repeated measured) and multiple ordinal dependent variables that have 3 grades for each (like grade 2 for being ...
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Multiple post-hoc tests after Multivariate GLM/MANCOVA
I have three groups, where I am doing a multivariate GLM/MANCOVA to test for multivariate differences between groups (6 DVs), adjusting for 2 covariates. I would like to do post-hoc tests to see which ...