[R] replace last 3 characters of string

Dieter Menne dieter.menne at menne-biomed.de
Mon Apr 4 17:41:30 CEST 2011


Bert Jacobs-2 wrote:
> 
> I would like to replace the last tree characters of the values of a
> certain
> column in a dataframe.
> 
> 

Besides the mentioned standard method: I found the subset of string
operations in Hadley Wickhams stringr package helpful. They have a much more
consistent interface compared to the standard interface.

str_sub: accepts negative positions, which are calculated from the left of
the last character.

Dieter



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