ggplot2, MASS, shiny, stats, pscl, tools
ggplot2, MASS, shiny, stats, pscl, tools, utils
dplyr, utils, testthat, shinythemes, rhandsontable,
gridExtra, pscl, DT, rmarkdown, knitr
dplyr, DT, gridExtra, knitr, pander, reshape2, rmarkdown,
shinythemes, shinycssloaders, shinyWidgets, spelling, testthat