Reporting bugs

To report bugs please send a simple e-mail to the package maintainer: <Achim.Zeileis at>

For discussions we also try to follow these channels:

Other resources


  • Ross Ihaka
  • Paul Murrell ORCID
  • Kurt Hornik ORCID
  • Jason C. Fisher ORCID
  • Reto Stauffer ORCID
  • Claus O. Wilke ORCID
  • Claire D. McWhite ORCID
  • Achim Zeileis ORCID