[BioC] biomaRt UseMart

[Steffen Durinck]

Hi Javier,

The biomaRt version you're using is too old, you'll have install a newer 
R version and update to BioC 1.9.

best,
Steffen

Javier Díez wrote:
> Hy,
> I'm working with R (Version 2.3.1) and Bioconductor(1.8) on Linux (Ubuntu).
> I'm trying biomaRt, but after installing the package can't create a mart 
> object; here it is the error returned. Can anybody help me?
> Best regards.
> Javi
>
>  > mart <- useMart("ensembl")
> Error in validObject(.Object) : invalid class "Mart" object: invalid 
> object for slot "vschema" in class "Mart": got class "NULL", should be 
> or extend class "character"
>
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-- 
Steffen Durinck, Ph.D.

Oncogenomics Section
Pediatric Oncology Branch
National Cancer Institute, National Institutes of Health
URL: http://home.ccr.cancer.gov/oncology/oncogenomics/

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