Jan Kraner <jan.kraner <at> gmx.ch> writes: > > Dear Sir/Madam: > > Could you please help me with this exercise and how I could solve it in R?: > > Attachment (PastedGraphic-1.pdf): application/pdf, 84 KiB > > I especially have problems with the selection of the 40 datasets, > once taken the 110 (because they have to be > exactly the remaining ones).
Sorry, but we don't do homework here. (Furthermore, PDF is not the most mailing-list-friendly form of attachment -- if you do post to the list in the future, plain text is preferred ...) You should try to get help on your homework locally, through approved channels. Ben Bolker ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.