On Fri, 13 Aug 2010, fishkbob wrote:
So I have a bunch of c(start,end) points and want to consolidate them into as
few c(start,end) as possible.
For example:
sample start end
A 5 10
B 7 18
C 1 4
D 16 20
I'd want the function to return the two distinct sets (1,4) and (5,20)
Is there an R function that already does this?
Yes.
See the reduce() function in the IRanges package on BioConductor
See pages 11-12 of
http://www.bioconductor.org/packages/2.6/bioc/vignettes/IRanges/inst/doc/IRangesOverview.pdf
HTH,
Chuck
or should I write my own? (how would I go about that?)
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Charles C. Berry (858) 534-2098
Dept of Family/Preventive Medicine
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