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

[David Winsemius]

> On Oct 25, 2018, at 11:28 PM, Knut Krueger <rhelp using krueger-family.de> wrote:
> 
> 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.

This illustrates a failure to read the obvious help page completely. The "Examples" section includes a definition of "%w/o%" which is exactly what was desired.

-- 
David.
> 
> Kind regards Knut
> 
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