try

require(GenomicRanges)

at the beginning of the second session



On Tue, Oct 23, 2012 at 12:30 AM, Gustavo Fernández Bayón
<gbayon@gmail.com>wrote:

> Hi everybody.
>
> I have a problem with GRanges, and I don't know if it is the expected
> behavior or not. The situation is as following:
>
> 1) In a certain script, I generate and save the annotation for 450k:
>
> library(FDb.InfiniumMethylation.hg19)
> hm450 <- get450k()
> save(hm450, file='anno.RData')
>
> 2) In another script, I try to load the data and show the probe names:
>
> load('anno.RData')
> names(hm450)
> names(hm450)
>
> The first call to 'names' triggers the auto-loading of the GenomicRanges
> package, BUT it returns NULL. The second call returns the target id's as
> expected. This has given me some headaches, since I have a script in my
> workflow that loads the annotation and tries to do something similar, with
> the first operation being the names accession. I have fixed it by loading
> first the library, but it still looks strange to me, so I publish it here
> to see if it happens to help somebody.
>
> My sessionInfo:
>
> > sessionInfo()
> R version 2.15.1 (2012-06-22)
> Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
> locale:
> [1] C
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
> other attached packages:
> [1] GenomicRanges_1.10.1 IRanges_1.16.2 BiocGenerics_0.4.0
> loaded via a namespace (and not attached):
> [1] parallel_2.15.1 stats4_2.15.1 tools_2.15.1
>
> Regards,
> Gustavo
>
>
>
> ---------------------------
> Enviado con Sparrow (http://www.sparrowmailapp.com/?sig)
>
> _______________________________________________
> Bioc-devel@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/bioc-devel
>



-- 
*A model is a lie that helps you see the truth.*
*
*
Howard Skipper<http://cancerres.aacrjournals.org/content/31/9/1173.full.pdf>

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