Frank,
(Your mail came in an html variant my default mail reader cannot read so no quoted reply.) We would need a more standardized reproducible example to help you further. Dirk -- https://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org _______________________________________________ R-SIG-Debian mailing list R-SIG-Debian@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-debian
