base methods datasets utils grDevices graphics stats knitr tidyverse ggplot2 tibble tidyr readr purrr dplyr stringr forcats lubridate kableExtra stats4 BiocGenerics S4Vectors IRanges GenomeInfoDb GenomicRanges matrixStats MatrixGenerics Biobase SummarizedExperiment DESeq2 pheatmap RColorBrewer data.table DT formattable XVector Biostrings spaa