Thumbs up! It worked!





On Wednesday, October 30, 2013 9:41 AM, Gerrit Eichner <Gerrit.Eichner@math.uni-giessen.de> wrote:
 
Hello, Alaois,

if x is your vector maybe

n <- length( x)
positions <- trunc( quantile( seq( n), prob = 0:5/5))
x[ positions]

comes close to what you want.

  Hth  --  Gerrit


> Hi all, I have in my code some vectors that are not of equal size. I 
> would like to be able for each of these vectors select 6 elements that 
> are (almost) equally spaced. So the first one would be at (or close) to 
> the beginning the last one at (or close) to the end and the other 4 
> equally spaced between first and last element.
>
> How can I do something like that on a vector of not known size?
>
> I would like to thank you in advance for your help
>
> Regards
> Alex
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>
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