In what way is the behavior non-consistent? Quoting from
the help page for rep:
‘times’ A vector giving the number of times to repeat each
element if of length ‘length(x)’, or to repeat the whole
vector if of length 1.
‘each’ non-negative integer. Each element of ‘x’ is repeated
‘each’ times. Treated as ‘1’ if ‘NA’ or invalid.
So while times may be a vector, each is clearly limited to being an
integer. I'll admit that it would be nice if it told you that it
was only using the first element of a vector each argument, but the
behaviour is perfectly consistent with the documentation.
- Phil Spector
Statistical Computing Facility
Department of Statistics
UC Berkeley
[email protected]
On Tue, 1 Feb 2011, T.D. Rudolph wrote:
I have a vector of unique elements that I want to replicate a variable number
of times depending on the element (lengths all > 800). However I noticed
that the resulting length was not the sum of the each argument. The
following example demonstrates this.
I am confused as to why this works:
rep(1:4, c(2,1,2,1))
[1] 1 1 2 3 3 4
but this doesn't:
rep(1:3, each=c(2,1,2))
[1] 1 1 2 2 3 3
This does not appear to be consistent with the description provided in
?rep....
Is this supposed to be happening?
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