Re: reversing a scale

[Sundar Dorai-Raj <sundar.dorai-raj@pdf.com>]

How about:

x <- c(5, 1, 3, 4, 2, 1, 1, 5)
y <- 6 - x

--sundar

Walter R. Paczkowski wrote:
> Hi,
>
> I'm looking for a simple way to convert a scale such as 1, 2, 3, 4, 5 to 
> 5, 4, 3, 2, 1.  In other words, I want to map
> 1 --> 5
> 2 --> 4
> 3 --> 3
> 4 --> 2
> 5 --> 1
>
> So if I have a vector (5, 1, 3, 4, 2, 1, 1, 5), I want to map it to a 
> new vector (1, 5, 3, 2, 4, 5, 5, 1).  I've been using ifelse statements 
> which works but if my scale is, say, 1:100, then I have 100 nested 
> statements - that's not good.  Any suggestions?
> Thanks,
>
> Walt Paczkowski
>
> _________________________________
>
> Walter R. Paczkowski, Ph.D.
> Data Analytics Corp.
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