Accessing Public Data using R and Bioconductor

This little tutorial describes the tools used to access public data from the NCBI Gene Expression Omnibus and the Sequence Read Archive. Tools covered include GEOquery, GEOmetadb, and SRAdb. The tutorial materials include: Execute the following code to download the files using R and to set up your R session:
download.file('http://watson.nci.nih.gov/~sdavis/tutorials/publicdatatutorial/publicDataTutorial.R',destfile='publicDataTutorial.R')
download.file('http://watson.nci.nih.gov/~sdavis/tutorials/publicdatatutorial/publicDataTutorial.Rnw',destfile='publicDataTutorial.Rnw')
download.file('http://watson.nci.nih.gov/~sdavis/tutorials/publicdatatutorial/publicDataTutorial.pdf',destfile='publicDataTutorial.pdf')
library(BiocInstaller)
biocLite(c('GEOquery','GEOmetadb','SRAdb','RMySQL'))