Numerical tests for multivariate normality
Besides the graphical tests using QQ-plot, the MVN
library has a range of numerical tests for checking multivariate normality. Along with the significance tests, these tests provide an inferential statement about whether the data are multivariate normal.
Diese Übung ist Teil des Kurses
Multivariate Probability Distributions in R
Anleitung zur Übung
Use the
mvn()
function with argumentmvnTest = "mardia"
to perform Mardia's test of multivariate normality on themultnorm.sample
dataset.Use the
mvn()
function with argumentmvnTest = "hz"
to perform Henze-Zirkler's test of multivariate normality on the numeric variables,Alcohol
,Malic
,Ash
,Alcalinity
of thewine
dataset.
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
# Mardia's test
# Henze-Zirkler's test