Thanks Chris Campbell, I didn't though about that.
Cheers, Maarten On Mon, 2010-12-06 at 10:08 +0000, Chris Campbell wrote: > data$subjectID <- paste(data$groups, data$subjects) # create a > character > label > > xyplot(responses~time|subjectID, groups = groups, data = data, > aspect="xy") -- Maarten van Iterson Center for Human and Clinical Genetics Leiden University Medical Center (LUMC) Research Building, Einthovenweg 20 Room S-04-038 Phone: 071-526 9439 E-mail: m.van_iterson...@lumc.nl --------------- Postal address: Postzone S-04-P Postbus 9600 2300 RC Leiden The Netherlands ______________________________________________ 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.
