一、GDCRNATools包下载 首先下载R包 if (!requireNamespace(BiocManager, quietly = TRUE)) install.packages(BiocManager) BiocManager::install(GDCRNATools) 下载好之后运行，以COAD数据为例，下载： library(GDCRNATools) gdcRNADownload(project.id = TCGA-COADREAD, data.