[R] replace a value in a vector

[Peter Dalgaard]

"Paul Lepp" <pwlepp at pmgm2.stanford.edu> writes:

> OK, so this is a really stupid question and should be incredibly simple to
> do but I can't figure it out. So maybe someone would be so kind as to tell
> me.
> I have a vector of zeros and ones.  I want to replace all of the zeros with
> "black" and all of the ones with "gray".  That's it.  Any help would be
> appreciated.

v2 <- ifelse(v==0,"black","gray")

or

v2 <- c("black","gray")[v+1]

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
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