Package required but not available: ‘msa’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package required but not available: ‘msa’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Namespaces in Imports field not imported from:
  ‘cowplot’ ‘testit’
  All declared Imports should be used.
Package required but not available: ‘ggmsa’

Package suggested but not available for checking: ‘org.Rn.eg.db’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package required but not available: ‘ggmsa’

Package suggested but not available for checking: ‘org.Rn.eg.db’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package suggested but not available for checking: ‘org.Rn.eg.db’