Found the following problems:
print-methods.Rd:19:1: Warning: missing </h2> before <dl>
print-methods.Rd:26:1: Warning: discarding unexpected </h2>
print-methods.Rd:19:1: Warning: trimming empty <h2>
show-methods.Rd:19:1: Warning: missing </h2> before <dl>
show-methods.Rd:25:1: Warning: discarding unexpected </h2>
show-methods.Rd:19:1: Warning: trimming empty <h2>
Found the following problems:
print-methods.Rd:19:1: Warning: missing </h2> before <dl>
print-methods.Rd:26:1: Warning: discarding unexpected </h2>
print-methods.Rd:19:1: Warning: trimming empty <h2>
show-methods.Rd:19:1: Warning: missing </h2> before <dl>
show-methods.Rd:25:1: Warning: discarding unexpected </h2>
show-methods.Rd:19:1: Warning: trimming empty <h2>

Found the following problems:
get.Grid.size.Rd:138:4: Warning: nested emphasis <code>
get.Grid.size.Rd:139:1: Warning: nested emphasis <code>
get.Grid.size.Rd:140:1: Warning: nested emphasis <code>
Found the following problems:
get.Grid.size.Rd:138:4: Warning: nested emphasis <code>
get.Grid.size.Rd:139:1: Warning: nested emphasis <code>
get.Grid.size.Rd:140:1: Warning: nested emphasis <code>

Namespace in Imports field not imported from: ‘survival’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘survival’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘survival’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘survival’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘survival’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘survival’
  All declared Imports should be used.

Namespaces in Imports field not imported from:
  ‘latticeExtra’ ‘rgdal’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘latticeExtra’ ‘rgdal’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘latticeExtra’ ‘rgdal’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘latticeExtra’ ‘rgdal’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘latticeExtra’ ‘rgdal’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘latticeExtra’ ‘rgdal’
  All declared Imports should be used.