findKeyType | R Documentation |
Compares rownames of gene expression matrix with keys for all keytypes in an AnnotationDb object, and returns the keytype with the best match.
findKeyType(nge, annotationDB)
nge |
The gene expression matrix, i.e. |
annotationDB |
The AnnotationDb object. |
If the rownames for the gene expression matrix are not official gene symbols (determined by less than 80 percent of rownames matching keys in the SYMBOL keytype of the AnnotationDb object), this function compares rownames of gene expression matrix with keys for all keytypes in an AnnotationDb object, and returns the keytype with the best match.
A character value, the keytype
of the AnnotationDb object, to
be passed to map2symbol
.
map2symbol
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