[R] "logical indexing, " [was] match() question or needle haystack problem for a data.frame
dw|n@em|u@ @end|ng |rom comc@@t@net
Sun Oct 28 17:58:28 CET 2018
> 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
> 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.
> Kind regards Knut
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