Multivariate analysis of variance (James test) | R Documentation |
Multivariate analysis of variance without assuming equality of the covariance matrices.
maovjames(x, ina, a = 0.05)
x |
A matrix containing Euclidean data. |
ina |
A numerical or factor variable indicating the groups of the data. |
a |
The significance level, set to 0.005 by default. |
Multivariate analysis of variance without assuming equality of the covariance matrices.
A vector with the next 4 elements:
test |
The test statistic. |
correction |
The value of the correction factor. |
corr.critical |
The corrected critical value of the chi-square distribution. |
p-value |
The p-value of the corrected test statistic. |
Michail Tsagris.
R implementation and documentation: Michail Tsagris mtsagris@uoc.gr and Giorgos Athineou <gioathineou@gmail.com>.
G.S.James (1954). Tests of Linear Hypotheses in Univariate and Multivariate Analysis when the Ratios of the Population Variances are Unknown. Biometrika, 41(1/2): 19-43.
maov, hotel2T2, james, comp.test
maov( as.matrix(iris[,1:4]), iris[,5] )
maovjames( as.matrix(iris[,1:4]), iris[,5] )
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