Sorry it is not a comma but a tilda. The R.help message editor Please replace the dash with a tilda as lm function requires
-- View this message in context: http://r.789695.n4.nabble.com/lm-function-strange-error-tp4649065p4649074.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.