Namespaces in Imports field not imported from:
  ‘DT’ ‘dbplyr’ ‘downloadthis’ ‘ggExtra’ ‘htmlwidgets’ ‘methods’
  ‘rmarkdown’ ‘scales’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘DT’ ‘dbplyr’ ‘downloadthis’ ‘ggExtra’ ‘htmlwidgets’ ‘methods’
  ‘rmarkdown’ ‘scales’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘DT’ ‘dbplyr’ ‘downloadthis’ ‘ggExtra’ ‘htmlwidgets’ ‘methods’
  ‘rmarkdown’ ‘scales’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘DT’ ‘dbplyr’ ‘downloadthis’ ‘ggExtra’ ‘htmlwidgets’ ‘methods’
  ‘rmarkdown’ ‘scales’
  All declared Imports should be used.