a n x d matrix of d dimensional data vectors.

data

This function returns the value of the statistic of the <code><a rd-options="" href="/link/BHEP?package=mnt&version=1.3" data-mini-rdoc="mnt::BHEP">BHEP</a></code> test as in Henze and Zirkler (1990). The difference to the <code><a rd-options="" href="/link/BHEP?package=mnt&version=1.3" data-mini-rdoc="mnt::BHEP">BHEP</a></code> test is in the choice of the tuning parameter \(\beta\).

Various affine invariant multivariate normality tests are provided. It is designed to accompany the survey article Ebner, B. and Henze, N. (2020) <arXiv:2004.07332> titled "Tests for multivariate normality -- a critical review with emphasis on weighted L^2-statistics". We implement new and time honoured L^2-type tests of multivariate normality, such as the Baringhaus-Henze-Epps-Pulley (BHEP) test, the Henze-Zirkler test, the test of Henze-Jim<c3><a9>nes-Gamero, the test of Henze-Jim<c3><a9>nes-Gamero-Meintanis, the test of Henze-Visage, the D<c3><b6>rr-Ebner-Henze test based on harmonic oscillator and the D<c3><b6>rr-Ebner-Henze test based on a double estimation in a PDE. Secondly, we include the measures of multivariate skewness and kurtosis by Mardia, Koziol, Malkovich and Afifi and M<c3><b3>ri, Rohatgi and Sz<c3><a9>kely, as well as the associated tests. Thirdly, we include the tests of multivariate normality by Cox and Small, the 'energy' test of Sz<c3><a9>kely and Rizzo, the tests based on spherical harmonics by Manzotti and Quiroz and the test of Pudelko. All the functions and tests need the data to be a n x d matrix where n is the samplesize (number of rows) and d is the dimension (number of columns).

Bruno Ebner

Affine Invariant Tests of Multivariate Normality

Lucas Butsch

Jaco Visagie

Johann Siemens

HZ function

This function returns the value of the statistic of the <code><a rd-options='' href='BHEP'>BHEP</a></code> test as in Henze and Zirkler (1990). The difference to the <code><a rd-options='' href='BHEP'>BHEP</a></code> test is in the choice of the tuning parameter \(\beta\).

HZ: Statistic of the Henze-Zirkler test

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Examples