Package required but not available: ‘WGCNA’

Packages suggested but not available for checking:
  'GOstats', 'org.Hs.eg.db', 'AnnotationDbi'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package suggested but not available for checking: 'doMC'
Package suggested but not available for checking: 'doMC'
Packages suggested but not available for checking: 'GOstats', 'MEGENA'
Package suggested but not available for checking: ‘GOstats’
Package suggested but not available for checking: 'doMC'