tm, httr, jsonlite, igraph (>= 2.1.1), methods
rmarkdown, knitr, testthat (>= 3.0.0), kableExtra, magrittr,
httptest
rmarkdown, knitr, testthat (>= 3.0.0), kableExtra, magrittr
rmarkdown, knitr, testthat (>= 3.0.0), kableExtra, magrittr,
dplyr