Various files in this package have different copyrights.

R/cvmboost
R/gamplot
R/gamplot_out
R/fpartial

The files are modified based on code in R package mboost originally written 
by Torsten Hothorn [aut, cre], Peter Buehlmann [aut], Thomas Kneib [aut], Matthias Schmid [aut], Benjamin Hofner [aut]. License: GPL (>=2)

R/partialPlot

The file is modified based on code in R package randomForest originally written: Fortran original by Leo Breiman and Adele Cutler, R port by Andy Liaw and Matthew Wiener. License: GPL (>=2)