Try this:

cut(sample(0:1000, 100), breaks = c(0, 300, 600, 900, 1000), labels = c('A',
'B', 'C', 'D'))

On Fri, Jul 31, 2009 at 4:04 PM, Mehdi Khan <mwkhan@ucdavis.edu> wrote:

> hello all,
>
> I have a data frame and I want to create a column which assigns a letter
> based upon the value in another column.  The data column has velocities
> ranging from 0 to 1000.  So for example, for velocities between 0 and 300
> I'd like to assign the letter "A" in the new column, for 300-600, "B" and
> so
> on and so forth.  How would I do this?
>
> Thank you very much!
>
> Mehdi Khan
>
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>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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