queryGEO {AnnBuilder} | R Documentation |
Data files that are available at GEO web site are identified by GEO accession numbers. Give a GEO object with the url for a common CGI and a GEO accession number, this function extracts data from the web site and returns a matrix containing the data portion of the file
queryGEO(GEOObj, GEOAccNum)
GEOObj |
GEOObj a GEO object |
GEOAccNum |
GEOAccNum a character string for the GEO
accession number of a desired file |
The GEO object contains the url for a CGI script that processes user's
request. queryGEO
invokes the CGI by passing a GEO
accession number and then processes the data file obtained.
queryGEO
returns a matrix containing data obtained.
This function is part of the Bioconductor project at Dana-Farber Cancer Institute to provide Bioinformatics functionalities through R
Jianhua Zhang
## Not run: geo <- GEO() temp <- queryGEO(geo, "GPL49") ## End(Not run)