getColumns.Annotation: Extract ID match pairs from the data frame obtained from the annotation data repository
Description
This is an internal method called from within getIdMap() on
Annotation object. The algorithm of the ID pairs extraction is annotation object type specific
and reflects the format and content of the data frame retrieved by a prticular Annotation object.
Usage
"getColumns"(this, df, arrayType, verbose=FALSE, ...)
Arguments
df
The data.frame from which ID pairs to be retrieved. arrayType
The microarray chip name.
verbose
if TRUE enables diagnostic messages.