[R] speed up subsetting with certain conditions

[Duke]

On 1/12/11 6:44 PM, Duke wrote:
>
> Thanks so much for your suggestion Martin. I had Bioconductor 
> installed but I honestly do not know all its applications. Anyway, I 
> am testing GenomicRanges with my data now. I will report back when I 
> get the result.
>

I got the results. My code took ~ 580 min ( ~ 10 hrs) to finish, where 
as using GenomicRanges per Martin suggested, it took only 22 min (about 
30 times less!). Thanks so much for this improvement Martin.

D.