hgu133aSYMBOL {hgu133a}R Documentation

Annotation of probe identifiers by gene symbols

Description

hgu133aSYMBOL mappes probe identifiers to the symbols used to report genes represented by the probe ids

Details

This is an environment object with key and value pairs. Keys are probe ids and values are the corresponding gene symbols. Values are vectors of length 1. NA is assigned to probe ids that can not be mapped to any gene symbol.

Mappings were based on data provided by:

LocusLink built: March 3, 2004. ftp://ftp.ncbi.nih.gov/refseq/LocusLink/LL_tmpl.ga

Package built Wed Mar 3 16:27:29 2004

References

http://www.ncbi.nlm.nih.gov/LocusLink

Examples

    # Convert the environment to a list
    xx <- as.list(hgu133aSYMBOL)
    if(length(xx) > 0){
        # The symbols for the first two elements of XX
        xx[1:2]
        # Get the first one
        xx[[1]]
    }

[Package hgu133a version 1.5.1 Index]