Questions tagged [manova]

The Multivariate analysis of variance (MANOVA) is a statistical test procedure for comparing multivariate (population) means of several groups.

Multivariate analysis of variance (MANOVA) is a statistical test procedure for comparing multivariate (population) means of several groups. Unlike ANOVA, it uses the variance-covariance between variables in testing the statistical significance of the mean differences.

Details: http://en.wikipedia.org/wiki/Multivariate_analysis_of_variance

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Different lengths for variable in Rstudio

I'm trying to run a Manova in Rstudio but run into an error whenever i try to execute it. I have 2 dataframes containing 2678 and 2051 rows and an equal amount of columns. I rbind these dataframes into 1 and create a new variable y with the…
Koen Wijnen
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manova () in R with between and within subject factors

I am using stats() 3.5.2 to run a manova with: participant 1:20 gender as between subject factor group as within subject factor anxiety as dependent measure BAC as dependent measures The dataset follow: treat4 = data.frame ( participant =…
frankieR
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Na/NaN/Inf Error when trying to perform a MANOVA on 128 Variable dataframe from .csv

At the minute I'm importing a csv as a dataframe that I was hoping to perform a MANOVA on. The dataframe is 128 numeric variables classed into 'Site' of 3 levels. In R all of the variable 'featx' columns are either numeric or integer. audiosets <-…
Becky Heath
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To extract the variable with its P-value<0.5 in a dataframe after an MANOVA Test

I have a data frame containing an "independent variable" and a series of potential "dependent variables". I'd like to find the "dependent variable" with the strongest association to my "independent variable". I've carried out a MANOVA in R as…
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(MANOVA.RM) RM is returning error: The subject variable is not found

I am trying to run a repeated measures MANOVA using the MANOVA.RM package. My data looks like this: Group Subject Trial Measure_1 Measure_2 1 1 1 44 15 1 2 1 78 17 2 3 …
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mshapiro.test 'Error in solve.default(R %*% t(R), tol = 1e-18) : Lapack routine dgesv: system is exactly singular: U[7,7] = 0'

I am trying to conduct a multivariate normality test using the mvnormtest package on my data with two between-subjects variables, one within-subjects, and three dependent variables (binary categorical). My data looks like this (~5,600 rows with no…
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Error during rm ANOVA (Matlab) with random factor

I am trying to run a repeated measures ANOVA in Matlab with 4 factors including one factor representing my subjects which I want as a random factor. The code I have is as follows: [p,table,stats] =…
Tydur
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R error | Vectors calculations returns the wrong matrix size | Non-conformable arrays

I am trying to calculate Within And Total Sum of Squares and Cross-Product Matrices (W) in one-way MANOVA. I have a treatment matrix tm: n x1 x2 1 6 7 1 5 9 1 8 6 ... 2 3 3 2 1 6 2 2 3 ... 3 2 3 3 2 3 3 5 1 ... I also have…
Feyzi Bagirov
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estimated marginal means of a MANCOVA in R

I have constructed a model that accounted for a covariate. There are two dependent variables ("A","B") and two independent variables ("C", "D") and one continuous covariate ("E"). I ran a MANCOVA as follows: x<-cbind(A,B) #combining dependent…
Douglas
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Tukey HSD for multiple variables and single variable return different results

I have tried to run Tukey HSD for a multi-variable dataset. However, when I run the same test on a single variable, the results are completely opposite. While running for multiple variables, I observed the following error in ANOVA output: 8 out of…
Rohan
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Manova Strange P value

I worked on this for a day, and hope you guys can give a hint on this strange thing. y0, y1, and y2 are independently generated by the same method. They are each split into 20 groups by the same method. Yet, manova says they are significantly…
rxu
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manova or regression or ?; how to in excel

I need to conduct analysis on one factor - which is number of days per project. I have around 30000 of projects with the number of days for each. The projects are grouped in: categories(there are 10 categories), scales(A/B/C), regions(EU or Asia),…
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Storing the summary of a manova operation in a data frame

I'm new to R and was trying to store the summary of a "manova" operation in a data frame. Is it possible to do so. If not a data frame, in what type can I store the summary of a "manova" operation. I tried converting it into a list and then placing…
G_1991
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MANOVA or Multiple Regression

We have several independent variables (some are continuous with more than 5 levels, some binary and some quasi-interval (5 levels - categorical). We also have 5 dependent variables that share a common construct. Is it useful to conduct MANOVA with…
Dmitry Leykin
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R issue: "Object not found" MANOVA

I'm an undergraduate and extremely new to R. I'm trying to run a MANOVA with 3 dependent variables and when I try to cbind my variables, the error "object not found" comes up. I've tried finding how to direct it to read my column names as object,…
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