baseline, BiocGenerics, data.table, ggplot2, jsonlite,
magrittr, methods, nnls, NMF, plotly, plyr, RColorBrewer,
signal, stats, viridis, hNMF
baseline, BiocGenerics, data.table, ggplot2, graphics,
jsonlite, magrittr, methods, nnls, NMF, plotly, plyr, dplyr,
RColorBrewer, signal, stats, viridis, hNMF, zoo, pls
testthat, knitr, rmarkdown, webshot, bookdown