[R] text matching and substitution

[Stephan Kolassa]

Hi Simeon,

?gsub

HTH,
Stephan

simeon duckworth schrieb:
> I am trying to simplify a text variable by matching and replacing it with a
> string in another vector
> 
> so for example in
> colours <- paste(letters,colours(),"stuff",LETTERS)
> 
> find and replace with ("red","blue","green","gray","yellow","other")  -
> irrespective of case
> 
> its a large dataset, so i'd like to be able to do this as efficiently as
> possible.
> 
> thanks for any help
> 
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