one way is using mapply(), e.g.,

mapply(":", 1:4, 3:6)


I hope it helps.

Best,
Dimitris


Yasir Kaheil wrote:
hi all,
how can I create sequences that start from a known vector, say x1 and end
with another say x2- also suppose all the sequences will be the same length.
I don't want to use a for loop
x1<-c(1,2,3,4); x2<-(3,4,5,6);
what I want is 1 2 3 4 2 3 4 5
3 4 5 6

Thanks

-----
Yasir H. Kaheil
Columbia University

--
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus Medical Center

Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014

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