ein Portrait von mir

Dipl.Math. Dr. Haiko Lüpsen
Statistik & Kurse

R-Funktionen zur Varianzanalyse

The following functions are provided by the author as R code for download. Available documentation:

Usage advices:

Name Funktion
box.f Box-F-test for heterogeneous variances (2-factorial anova)
bf.f

Brown & Forsythe-F-test for heterogeneous variances (2-factorial anova)
includes functions: bf.f, bf2.f, bf.main, bf.orthog, bf.fratio
revised 6-2016
wj.anova Welch-James-anova for heterogeneous variances in between subject designs (2-factorial anova)
revised 9-2021
wj.spanova

Welch-James-anova for heterogeneous covariance matrices in split plot designs (2-factorial anova)
revised 6-2016
box.andersen.f F-test for nonnormal distributed dependent variables (2-factorial anova)
check.covar Several tests of homogeneity of covariance matrices
check.sphere Several tests for sphericity of a covariance matrix
ats.2 2-factorial analysis of variance using the procedure by Akritas, Arnold and Brunner
ats.3 3-factorial analysis of variance using the procedure by Akritas, Arnold and Brunner
np.anova



factorial nonparametric analysis of variance (with and without repeated easurements) using either
- the Puri & Sen procedure (L statistic) (generalized Kruskal-Wallis- and Friedman-tests) or
- the generalized van der Waerden procedure
revised 6-2016
art1.anova

factorial nonparametric analysis of variance for between subjects designs using the ART-procedure
optional: a tranformation of the ranks into normal scores
revised 6-2016
art2.anova

factorial nonparametric analysis of variance for pure within subjects designs using the ART-procedure
optional: a tranformation of the ranks into normal scores
revised 6-2016
art3.anova

factorial nonparametric analysis of variance for mixed designs (split plot designs) using the ART-procedure
optional: a tranformation of the ranks into normal scores
revised 6-2016
koch.anova

several nonparametric 2-factorial anovas for split plot designs using the procedures by G. Koch
(without assuming spherecity of the covariance matrix)
revised 1-2017
simple.effects

parametric analysis of simple effects for between subject and mixed designs
gee.anova
Anova-like tests for GEE and GLMM models:
gee.anova - the classical Wald-test
gee.robanova - robust Wald-test according to Fan & Zhang

Haiko Lüpsen
luepsen@uni-koeln.de oder haiko@luepsen.com

Last update 10.4.2020