"logical indexing, " [was] match() question or needle haystack problem for a data.frame

Am 25.10.18 um 16:13 schrieb peter dalgaard:

Yes: x[!(x$A %in% y$B),]

Ok thats in my opinion a little workaround
why?:

There is an
= and !=
< and >


means the opposite is available between terms.

why is there f.e no %!in%, %notin%  or !%in%

This would be more intuitive.

Kind regards Knut