[BioC] problem about using 'rtracklayer' package to retrieve SNP chromosome position
luzifer.li at gmail.com
Fri Jul 17 09:07:16 CEST 2009
using rtracklayer, it's possible to retrieve data with functions
of 'ucscTableQuery' and 'getTable'.
however, these functions could only retrieve data given a genomic range.
For example, using following code could retrieve snps between 10000 to 20000
basepair on chromosome 2.
ucscTableQuery(session, "snp129",GenomicRanges(10000,20000, 2))->todo
my question is how to retrieve data using identifiers(names/accessions).
for example, is it possible to retrieve chromosome position given the rs
number of several SNPs, such as
is there any function in 'rtracklayer' package can do this?
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