[R] Re: ifelse()

[Ko-Kang Kevin Wang]

Hi,

I've found a much better solution than using ifelse().  I found about 
cut() from MASS4 Page 383, which actually does a better job .

On Wed, 26 Mar 2003, Ko-Kang Kevin Wang wrote:

> Date: Wed, 26 Mar 2003 23:20:04 +1200 (NZST)
> From: Ko-Kang Kevin Wang <kwan022 at stat.auckland.ac.nz>
> To: R Help <r-help at stat.math.ethz.ch>
> Subject: ifelse()
> 
> Hi,
> 
> I'm not sure if this can be done but..
> 
> I know that with ifelse() I can do something like:
>   ifelse(x <= 3, 1, 2)
> to go through each element in my vector x, and if x_i <= 3 substitute the 
> number with 1 else with 2.  Essentially I'll get a vector with 2 levels.
> 
> Can I tweak it so I can get 3-levels?  For example:
>   if(x <= 3) then 1
>   elseif(3 < x <= 4) then 2
>   elseif(x > 4) then 3
> 
> 

-- 
Cheers,

Kevin

------------------------------------------------------------------------------
/* Time is the greatest teacher, unfortunately it kills its students */

--
Ko-Kang Kevin Wang
Master of Science (MSc) Student
SLC Tutor and Lab Demonstrator
Department of Statistics
University of Auckland
New Zealand
Homepage: http://www.stat.auckland.ac.nz/~kwan022
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