rnaseq data
format is explained here https://wiki.nci.nih.gov/display/TCGA/RNASeq+Version+2. Package provides rnaseq datasets from The Cancer Genome Atlas Project for all cohorts types from http://gdac.broadinstitute.org/.
Data were downloaded using RTCGA-package and contain snapshots for the date: 2015-11-01. The process is described here: http://rtcga.github.io/RTCGA/.
Use cases, examples and information about datasets in RTCGA family can be found here: browseVignettes("RTCGA"). Data source is illumina hiseq Level 3 RSEM normalized expression data. Converting RTCGA.rnaseq datasets from data.frames to Bioconductor classes is explained here convertTCGA.