hgu133aGRIF {hgu133a} | R Documentation |
NCBI http://www.ncbi.nlm.nih.gov/projects/GeneRIF/GeneRIFhelp.html allows users to add functional annotation of genes by providing a PubMed identifier for the publication where the annotation was initially made and a concise phrase describing the function. hgu133aGRIF maps probe identifiers to the PubMed identifiers for the publication reporting the functions of genes corresponding to the probe identifiers
Probe ids are only mapped to the PubMed ids. Efforts are being made to also include the concise phrase describing the function of a gene.
Mappings were based on data provided by:
LocusLink:ftp://ftp.ncbi.nih.gov/refseq/LocusLink/LL_tmpl.gz. Built: September 15, 2004
Package built: Wed Sep 15 18:48:08 2004
http://www.ncbi.nlm.nih.gov/LocusLink
# Convert the environment to a list xx <- as.list(hgu133aGRIF) # Remove probe ids that do not map to any PubMed id xx <- xx[!is.na(xx)] if(length(xx) > 0){ # The unique PubMed ids for the first two elements of XX xx[1:2] # Get the first one xx[[1]] }