HumanTranscriptomeCompendium.colnames
                        character vector of available samples in HDF
                        cloud assay representation
addRD                   add gene-level rowData derived from transcript
                        level rowRanges
ca43k                   app to survey 43000 cancer transcriptomes
get_ds4841              return instance of ssrch::DocSet with metadata
                        on 4841 human transcriptome studies in NCBI SRA
htx_app                 explore SRA metadata
htx_load                load a SummarizedExperiment shell for the Human
                        Transcriptome Compendium
htx_query_by_study_accession
                        retrieve 'restfulSE' SummarizedExperiment
                        instance for selected studies in htx compendium
htx_query_by_text       subset compendium through keyword lookup
load_bigrnaFiles        obtain listing of contents of BigRNA compendium
                        (salmon runs)
load_experTable         obtain listing of experiments and submission
                        date/time in compendium
load_studTable          obtain listing of all studies in compendium
path_doc4842            return path to metadata csvs in zip file
procExpToGene           acquire a single sample from bigRNA compendium
                        specified by accession and develop gene-level
                        quantifications using tximport
tx2gene_gencode27       generate a data.frame mapping gencode 27
                        ensembl transcript identifiers to ensembl gene
                        identifiers
uniqueAcc_120518        experiment accessions available in compendium
                        as of may 12 2018
