[R] Behavior of seq with vector from
Peter Dalgaard
P.Dalgaard at biostat.ku.dk
Fri May 22 12:19:38 CEST 2009
Rowe, Brian Lee Yung (Portfolio Analytics) wrote:
....
> To get the value I want, I am using the following code:
>> sort(as.vector(apply(array(c(2,3)), 1, seq, by=3,length.out=4)))
> [1] 2 3 5 6 8 9 11 12
>
> So two questions:
> 1. Is seq designed/intended to be used with a vector from argument, and
> is this the desired behavior?
> 2. If so, is there a cleaner way of implementing what I want?
1. Hmm, not really. NA.
2. I'd view it as an outer sum, stringed out to a single vector, hence:
> c(outer(c(2,3), seq(0,,3,4), "+"))
[1] 2 3 5 6 8 9 11 12
--
O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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