d3r (>= 0.6.9), dplyr, htmlwidgets, htmltools
jsonlite, knitr, markdown, pipeR, testthat
jsonlite, knitr, markdown, pipeR, testthat, tidyr (>= 0.7.0)
jsonlite, knitr, markdown, pipeR, testthat, tidyr (>= 0.7.0),
rmarkdown