NormalityTests {MultBiplotR}

Normality tests

Description

Normality tests foor the columns of a matrix and a grouping variable.

Usage

NormalityTests(X, groups = NULL, plot = FALSE, SortByGroups = FALSE)

Arguments

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?

Details

Normality tests foor the columns of a matrix and a grouping variable.

Value

The normality tests and the plots

Author(s)

Jose Luis Vicente Villardon

Examples

data(wine)
NormalityTests(wine[,4:6], groups = wine$Origin, plot=TRUE)