[BioC] xmapcore get intronic sequence

[Tim Yates]

Can you try doing:

  probeset.to.exon( probesetids, rm.unreliable=F )

Probeset to exon by default removes any "unreliable" probesets before
mapping to exons, as otherwise some massively multi-targetting probesets
could cause a "datastorm"

Tim

On 28/07/2010 15:39, "Stephen Taylor" <stephen.taylor at imm.ox.ac.uk> wrote:

...snip...

> On a related note, if do
> 
> probeset.to.exon(probesetids),
> 
> then I get less rows returned than the size of the probesetids list, I presume
> because they don't map to known exons.
> Since I want to merge this with an existing dataframe that contains the
> probesetids and expression values, I really need
> it to return a value (FALSE or NA or something) where there is no match so I
> can do this merge. Is there a way of doing
> this?