rbi (>= 0.10.0), data.table, lubridate, reshape2, Matrix
R.rsp, testthat, covr (>= 3.2.0), stringi
R.rsp, markdown, testthat, covr (>= 3.2.0), stringi
markdown, testthat, covr (>= 3.2.0), stringi, knitr,
rmarkdown