> On Thu, Aug 2, 2018 at 11:20 AM, R Stafford <rod.staff...@gmail.com> > wrote: > > But I have the extra condition that if E is true, then F must be false, and > > vice versa,
Question: Does 'vice versa' mean a) "if E is False, F must be True" or b) "if F is True, E must be False"? ... which are not the same. b) (and mutual exclusivity in general) does not rule out the condition "E False, F False", which would not be addressed by the pass/fail equivalent equivalent of F <- !E ******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}} ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.