Package required but not available: ‘spatstat.core’

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

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Namespaces in Imports field not imported from:
  ‘igraph’ ‘rgeos’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘igraph’ ‘rgeos’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘igraph’ ‘rgeos’ ‘viridis’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘igraph’ ‘rgeos’ ‘viridis’
  All declared Imports should be used.