on 06/12/2008 09:48 AM 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
An example would be most helpful, but presuming that you are using
something along the lines of:
rep(a, each = b)
I would check to be sure that:
length(a) == length(b)
lest you end up with the issue of recycling values.
HTH,
Marc Schwartz
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