Namespaces in Imports field not imported from:
  ‘RColorBrewer’ ‘SnowballC’ ‘grDevices’ ‘grid’ ‘haven’ ‘jsonlite’
  ‘magrittr’ ‘readr’ ‘tidyverse’ ‘tm’ ‘webshot’ ‘wordcloud2’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘RColorBrewer’ ‘SnowballC’ ‘grDevices’ ‘grid’ ‘haven’ ‘jsonlite’
  ‘magrittr’ ‘readr’ ‘tidyverse’ ‘tm’ ‘webshot’ ‘wordcloud2’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘RColorBrewer’ ‘SnowballC’ ‘grDevices’ ‘grid’ ‘haven’ ‘jsonlite’
  ‘magrittr’ ‘readr’ ‘tidyverse’ ‘tm’ ‘webshot’ ‘wordcloud2’
  All declared Imports should be used.