[R] function rep

[Stephan Kolassa]

Hi,

this is FAQ 7.31: pb and pr are floating-point numbers that are coerced 
to integer for rep(), and this does not always work the way you want.

HTH
Stephan


Covelli Paolo schrieb:
> Hi,
> 
> I've got the following code:
> 
> p <- 0.34
> pb <- p*100
> pr <- (1-p)*100
> 
> A <- rep(0,pb)  # a vector with 34 "zeros"
> B <- rep(1,pr)   # a vector with 66 "ones"
> 
> Now if I type
> length(A), R answer correctly 34
> 
> but if I type
> length(B), R answer 65 instead of 66.
> 
> I don't understand why it happens. Can anyone help me? Thanks in advance.
> 
> Paolo
> 
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