Packages required but not available:
  'ChIPseeker', 'TxDb.Hsapiens.UCSC.hg38.knownGene',
  'TxDb.Hsapiens.UCSC.hg19.knownGene',
  'TxDb.Mmusculus.UCSC.mm10.knownGene'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package required but not available: ‘TxDb.Mmusculus.UCSC.mm10.knownGene’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package required but not available: ‘TxDb.Mmusculus.UCSC.mm10.knownGene’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package required but not available: ‘TxDb.Mmusculus.UCSC.mm10.knownGene’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.