[R] function rep

[Erik Iverson]

Hello,

Covelli Paolo wrote:
> 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"

Not true.  I counted them myself.  There are only 65.

I see

 > pr == 66
[1] FALSE
 > pr < 66
[1] TRUE

So pr must not be what you think it is.  For the reason why, see FAQ 7.31.