[R] problem with function "rep"
Erik Iverson
iverson at biostat.wisc.edu
Thu Jun 12 17:01:46 CEST 2008
We need a reproducible example of this to tell you what is going on.
Find a small example that exhibits the confusing behavior, and share it
with the list.
Julien Hunt wrote:
> To whom it may concern,
>
> I am currently writing a program where I need to use function rep.
> The results I get are quite confusing. Given two
> vectors A and B, I want to replicate a[1] b[1]
> times, a[2] b[2] times and so on.
> All the entries of vector B are positive integers.
> My problem comes from the fact that if I sum up
> all the elements of B, I get a certain
> value x(for example 10000). And if i calculate
> the length of the vector obtained after
> replication, I dont always get x(10000) but
> sometimes I get x sometimes I get 9999 instead of 10000.
> Has this problem been reported before? Do you
> need more information on my specific program.
> Thanks for your time and help,
> Best regards,
>
> Julien Hunt
>
> Julien Hunt,
> PhD student and teaching assistant,
> Institute of Statistics,
> Université Catholique de Louvain,
> Voie du Roman pays 20
> B-1348 Louvain-La-Neuve,
> Belgium
>
> E-mail: Julien.Hunt at uclouvain.be
> Tel: +32 10 / 47 94 01
> *****************************************************
>
>
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>
>
>
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