Normality tests
Normality tests foor the columns of a matrix and a grouping variable.
NormalityTests(X, groups = NULL, plot = FALSE, SortByGroups = FALSE)
X |
A data frame or a matrix containing several numerical variables |
groups |
A factor with the groups |
plot |
If TRUE the qqnorm plots are shown |
SortByGroups |
Should the results be sorted by groups? |
Normality tests foor the columns of a matrix and a grouping variable.
The normality tests and the plots
Jose Luis Vicente Villardon
data(wine) NormalityTests(wine[,4:6], groups = wine$Origin, plot=TRUE)
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