Dataset you want to use. To see the different datasets available within a biomaRt you can e.g. do: mart = useMart('ensembl'), followed by listDatasets(mart).
filters
Filters (one or more) that should be used in the query. A possible list of filters can be retrieved using the function listFilters.
attributes
Attributes you want to retrieve. A possible list of attributes can be retrieved using the function listAttributes.
verbose
Logical. Indicate report extra information on progress or not.
Value
A converted ID character with the same order of parameter x.
Details
A function to convert ID based on the biomaRt package..