[R] test if text is part of vector

[Petr PIKAL]

Hi

> Hello,
> 
> this is a very simple question:
> How can I find out if a word is part of a list of words
> 
> like:
> a <- "word1"
> b <- "word4"
> 
> vector <- c("word1","word2","word3")
> 
> I tried it with match(a,vector)
> but this gives the position of the word.
> 

Perhaps

 a %in% vector

Regards
Petr


> I am not sure if and how that can be
> done with a logical operator like if:
> IF text is part of vector THEN print "is part"
> 
> Probably a very easy thing to do, but I am missing
> the logical operator... and help(if) is not working
> 
> best regards,
> johannes
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