Scholary papers describing the methodology

The multcomp package implements multiplicity-adjusted tests and simultaneous confidence intervals for linear combinations of model parameters using methodology described in Hothorn, Bretz, and Westfall (2008) and the book by Bretz, Hothorn, and Westfall (2010).


[1] T. Hothorn, F. Bretz and P. Westfall. “Simultaneous Inference in General Parametric Models”. In: Biometrical Journal 50.3 (2008), pp. 346–363. DOI: 10.1002/bimj.200810425.

[2] F. Bretz, T. Hothorn and P. Westfall. Multiple Comparisons Using R. Boca Raton, Florida, USA: Chapman & Hall/CRC Press, 2010. ISBN: 978–1–58488–574–0.