Dear All,


I'm trying to use the previous built (within Biomart)for human genes to get gene location, It seems like Ensembl 44 is the version I should use for NCBI 35/hg17, I did following:

ensembl =useMart("ensembl_mart_44",archive=TRUE)
listDatasets(ensembl)
[1] dataset     description version
<0 rows> (or 0-length row.names)

So you could see there is no dataset available,
So if I do:

ensembl =useMart("ensembl_mart_44",dataset="hsapiens_gene_ensembl",archive=TRUE)
I got:
Error in useDataset(mart = mart, dataset = dataset, verbose = verbose) :
  The given dataset:  hsapiens_gene_ensembl , is not valid.  Correct dataset names can be obtained with the listDatasets function.

has anyone come across the same problem?

Many thanks

Yan


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